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<header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Lamprophyre</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 21 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-21" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">21 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Lampr%C3%B2fir" title="Lampròfir – Catalan" lang="ca" hreflang="ca" data-title="Lampròfir" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Lamprofyr" title="Lamprofyr – Czech" lang="cs" hreflang="cs" data-title="Lamprofyr" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Lamprophyr" title="Lamprophyr – German" lang="de" hreflang="de" data-title="Lamprophyr" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Lampr%C3%B3fido" title="Lamprófido – Spanish" lang="es" hreflang="es" data-title="Lamprófido" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Lamprophyre" title="Lamprophyre – French" lang="fr" hreflang="fr" data-title="Lamprophyre" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%BC%D5%A1%D5%B4%D5%BA%D6%80%D5%B8%D6%86%D5%AB%D6%80" title="Լամպրոֆիր – Armenian" lang="hy" hreflang="hy" data-title="Լամպրոֆիր" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Lamprofir" title="Lamprofir – Indonesian" lang="id" hreflang="id" data-title="Lamprofir" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Lamprofiri" title="Lamprofiri – Italian" lang="it" hreflang="it" data-title="Lamprofiri" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9B%D0%B0%D0%BC%D0%BF%D1%80%D0%BE%D1%84%D0%B8%D1%80%D0%BB%D0%B5%D1%80" title="Лампрофирлер – Kazakh" lang="kk" hreflang="kk" data-title="Лампрофирлер" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Lamprofir" title="Lamprofir – Hungarian" lang="hu" hreflang="hu" data-title="Lamprofir" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%A9%E3%83%B3%E3%83%97%E3%83%AD%E3%83%95%E3%82%A1%E3%82%A4%E3%82%A2" title="ランプロファイア – Japanese" lang="ja" hreflang="ja" data-title="ランプロファイア" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Lamprofyr" title="Lamprofyr – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Lamprofyr" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Lamprofir" title="Lamprofir – Polish" lang="pl" hreflang="pl" data-title="Lamprofir" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Lampr%C3%B3firo" title="Lamprófiro – Portuguese" lang="pt" hreflang="pt" data-title="Lamprófiro" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9B%D0%B0%D0%BC%D0%BF%D1%80%D0%BE%D1%84%D0%B8%D1%80" title="Лампрофир – Russian" lang="ru" hreflang="ru" data-title="Лампрофир" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Lamprof%C3%BDr" title="Lamprofýr – Slovak" lang="sk" hreflang="sk" data-title="Lamprofýr" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9B%D0%B0%D0%BC%D0%BF%D1%80%D0%BE%D1%84%D0%B8%D1%80" title="Лампрофир – Serbian" lang="sr" hreflang="sr" data-title="Лампрофир" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Lamprofyr" title="Lamprofyr – Swedish" lang="sv" hreflang="sv" data-title="Lamprofyr" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9B%D0%B0%D0%BC%D0%BF%D1%80%D0%BE%D1%84%D1%96%D1%80%D0%B8" title="Лампрофіри – Ukrainian" lang="uk" hreflang="uk" data-title="Лампрофіри" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Lamprophyr" title="Lamprophyr – Vietnamese" lang="vi" hreflang="vi" data-title="Lamprophyr" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%85%8C%E6%96%91%E5%B2%A9" title="煌斑岩 – Chinese" lang="zh" hreflang="zh" data-title="煌斑岩" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q774790#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> 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src="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/2278_minette.jpg/250px-2278_minette.jpg" decoding="async" width="220" height="343" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/2278_minette.jpg/330px-2278_minette.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/24/2278_minette.jpg/500px-2278_minette.jpg 2x" data-file-width="2152" data-file-height="3360" /></a><figcaption>Minette (a type of lamprophyre), from <a href="/wiki/J%C3%A1chymov" title="Jáchymov">Jáchymov</a> in the Czech Republic</figcaption></figure> <p><b>Lamprophyres</b> (from <a href="/wiki/Ancient_Greek_language" class="mw-redirect" title="Ancient Greek language">Ancient Greek</a> <i> </i><span lang="grc"><a href="https://en.wiktionary.org/wiki/%CE%BB%CE%B1%CE%BC%CF%80%CF%81%CF%8C%CF%82#Ancient_Greek" class="extiw" title="wikt:λαμπρός">λαμπρός</a></span><i> (<span title="Ancient Greek transliteration" lang="grc-Latn"><i>lamprós</i></span>)</i> <span class="gloss-quot">'</span><span class="gloss-text">bright</span><span class="gloss-quot">'</span> and <i> </i><span lang="grc"><a href="https://en.wiktionary.org/wiki/%CF%86%CF%8D%CF%81%CF%89#Ancient_Greek" class="extiw" title="wikt:φύρω">φύρω</a></span><i> (<span title="Ancient Greek transliteration" lang="grc-Latn"><i>phúrō</i></span>)</i> <span class="gloss-quot">'</span><span class="gloss-text">to mix</span><span class="gloss-quot">'</span>) are uncommon, small-volume <a href="/wiki/Ultrapotassic_igneous_rocks" title="Ultrapotassic igneous rocks">ultrapotassic igneous rocks</a> primarily occurring as <a href="/wiki/Dike_(geology)" title="Dike (geology)">dikes</a>, <a href="/wiki/Lopolith" title="Lopolith">lopoliths</a>, <a href="/wiki/Laccolith" title="Laccolith">laccoliths</a>, <a href="/wiki/Stock_(geology)" title="Stock (geology)">stocks</a>, and small <a href="/wiki/Igneous_intrusion" title="Igneous intrusion">intrusions</a>. They are <a href="/wiki/Alkali_metal" title="Alkali metal">alkaline</a> <a href="/wiki/Silica" class="mw-redirect" title="Silica">silica</a>-<a href="/wiki/Solid_solution" title="Solid solution">undersaturated</a> <a href="/wiki/Mafic" title="Mafic">mafic</a> or <a href="/wiki/Ultramafic" class="mw-redirect" title="Ultramafic">ultramafic</a> rocks with high <a href="/wiki/Magnesium_oxide" title="Magnesium oxide">magnesium oxide</a>, >3% <a href="/wiki/Potassium_oxide" title="Potassium oxide">potassium oxide</a>, high <a href="/wiki/Sodium_oxide" title="Sodium oxide">sodium oxide</a>, and high <a href="/wiki/Nickel" title="Nickel">nickel</a> and <a href="/wiki/Chromium" title="Chromium">chromium</a>. </p><p>Lamprophyres occur throughout all geologic <a href="/wiki/Era_(geology)" class="mw-redirect" title="Era (geology)">eras</a>. <a href="/wiki/Archean" title="Archean">Archaean</a> examples are commonly associated with lode <a href="/wiki/Gold" title="Gold">gold</a> deposits. <a href="/wiki/Cenozoic" title="Cenozoic">Cenozoic</a> examples include magnesian rocks in <a href="/wiki/Mexico" title="Mexico">Mexico</a> and <a href="/wiki/South_America" title="South America">South America</a>, and young ultramafic lamprophyres from <a href="/wiki/Gympie" title="Gympie">Gympie</a> in <a href="/wiki/Australia" title="Australia">Australia</a> with 18.5% MgO at ~250 Ma. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Petrology">Petrology</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lamprophyre&action=edit&section=1" title="Edit section: Petrology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Modern science treats lamprophyres as a catch-all term for ultrapotassic <a href="/wiki/Mafic" title="Mafic">mafic</a> <a href="/wiki/Igneous_rocks" class="mw-redirect" title="Igneous rocks">igneous rocks</a> which have primary <a href="/wiki/Mineralogy" title="Mineralogy">mineralogy</a> consisting of <a href="/wiki/Amphibole" title="Amphibole">amphibole</a> or <a href="/wiki/Biotite" title="Biotite">biotite</a>, and with feldspar in the groundmass. </p><p>Lamprophyres are not amenable to classification according to modal proportions, such as the system <a href="/wiki/QAPF_diagram" title="QAPF diagram">QAPF</a>, because of their peculiar mineralogy, nor compositional discrimination diagrams, such as <a href="/wiki/TAS_classification" title="TAS classification">TAS</a>, because of their peculiar geochemistry. They are classified under the <a href="/wiki/International_Union_of_Geological_Sciences" title="International Union of Geological Sciences">IUGS</a> Nomenclature for Igneous Rocks (Le Maitre et al., 1989) separately; this is primarily because they are rare, have peculiar mineralogy and do not fit classical classification schemes. For example, the TAS scheme is inappropriate due to the control of mineralogy by potassium, not by calcium or sodium. </p><p>Mitchell<sup class="plainlinks nourlexpansion citation" id="ref_Mitchell"><a class="external autonumber" href="https://en.wikipedia.org/wiki/Lamprophyre#endnote_Mitchell">[1]</a></sup> has suggested that rocks belonging to the "lamprophyre facies" are characterized by the presence of phenocrysts of <a href="/wiki/Mica" title="Mica">mica</a> and/or <a href="/wiki/Amphibole" title="Amphibole">amphibole</a> together with lesser clino<a href="/wiki/Pyroxene" title="Pyroxene">pyroxene</a> and/or <a href="/wiki/Melilite" title="Melilite">melilite</a> set in a groundmass which may consist (either singly or in various combinations) of <a href="/wiki/Plagioclase" title="Plagioclase">plagioclase</a>, <a href="/wiki/Alkali_feldspar" class="mw-redirect" title="Alkali feldspar">alkali feldspar</a>, <a href="/wiki/Feldspathoid" title="Feldspathoid">feldspathoids</a>, <a href="/wiki/Carbonate" title="Carbonate">carbonate</a>, <a href="/wiki/Monticellite" title="Monticellite">monticellite</a>, melilite, mica, amphibole, pyroxene, <a href="/wiki/Perovskite" title="Perovskite">perovskite</a>, Fe-Ti oxides and glass. </p><p>Classification schemes which include genetic information may be required to properly describe lamprophyres (Tappe et al., 2005). </p> <div class="mw-heading mw-heading2"><h2 id="Genesis">Genesis</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lamprophyre&action=edit&section=2" title="Edit section: Genesis"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Rock<sup class="plainlinks nourlexpansion citation" id="ref_Rock"><a class="external autonumber" href="https://en.wikipedia.org/wiki/Lamprophyre#endnote_Rock">[2]</a></sup> considered lamprophyres to be part of a "clan" of rocks, with similar mineralogy, textures and genesis. Lamprophyres are similar to <a href="/wiki/Lamproite" title="Lamproite">lamproites</a> and <a href="/wiki/Kimberlite" title="Kimberlite">kimberlites</a>. While modern concepts see orangeites, lamproites and kimberlites as separate, a vast majority of lamprophyres have similar origins to these other rock types (Tappe et al., 2005). </p><p>Mitchell considered the lamprophyres as a "<a href="/wiki/Facies" title="Facies">facies</a>" of igneous rocks created by a set of conditions (generally; late, highly volatile differentiates of other rock types). Either scheme may apply to some, but not all, occurrences and variations of the broader group of rocks known as lamprophyres and melilitic rocks. </p><p>Leaving aside complex petrogenetic arguments, the essential components in lamprophyre genesis are: </p> <ul><li>high depth of melting, which yields more mafic magmas;</li> <li>low degrees of partial melting, which yields magmas rich in the alkalis (particularly potassium);</li> <li>lithophile element (K, Ba, Cs, Rb) enrichment, high Ni and Cr,</li> <li>high potassium and sodium concentrations (silica undersaturation is common)</li> <li>some form of volatile enrichment, to provide the biotite (<a href="/wiki/Phlogopite" title="Phlogopite">phlogopite</a>) and amphibole (<a href="/wiki/Pargasite" title="Pargasite">pargasite</a>) mineralogy</li> <li>lack of fractional crystallisation (generally; there are exceptions)</li> <li>high Mg# (MgO/(FeO + MgO))</li></ul> <p>Individual examples thus may have a wide variety of mineralogy and mechanisms for formation. Rock considered lamprophyres to be derived from deep, volatile-driven melting in a subduction zone setting. Others such as Mitchell consider them to be late offshoots of plutons, etc., though this can be difficult to reconcile with their primitive melt chemistry and mineralogy. </p> <div class="mw-heading mw-heading2"><h2 id="Petrography">Petrography</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lamprophyre&action=edit&section=3" title="Edit section: Petrography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Minette_2_mm_max.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6b/Minette_2_mm_max.jpg/220px-Minette_2_mm_max.jpg" decoding="async" width="220" height="155" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6b/Minette_2_mm_max.jpg/330px-Minette_2_mm_max.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6b/Minette_2_mm_max.jpg/440px-Minette_2_mm_max.jpg 2x" data-file-width="480" data-file-height="339" /></a><figcaption>Microscope view (long dimension 2 mm) of a thin section of minette from the Colorado Plateau. Magnesium-rich biotite (P, phlogopite) and clinopyroxene (C) phenocrysts in a groundmass of alkali feldspar, pyroxene, and iron-titanium oxides.</figcaption></figure><p> Lamprophyres are a group of <a href="/wiki/Rock_(geology)" title="Rock (geology)">rocks</a> containing <a href="/wiki/Phenocryst" title="Phenocryst">phenocrysts</a>, usually of <a href="/wiki/Biotite" title="Biotite">biotite</a> and <a href="/wiki/Amphibole" title="Amphibole">amphibole</a> (with bright cleavage surfaces), and <a href="/wiki/Pyroxene" title="Pyroxene">pyroxene</a>, but not of <a href="/wiki/Feldspar" title="Feldspar">feldspar</a>. They are thus distinguished from the <a href="/wiki/Porphyry_(geology)" title="Porphyry (geology)">porphyries</a> and porphyrites in which the feldspar has <a href="/wiki/Crystal" title="Crystal">crystallized</a> in two generations. They are essentially <a href="/wiki/Dike_(geology)" title="Dike (geology)">dike</a> rocks, occurring as dikes and thin <a href="/wiki/Sill_(geology)" title="Sill (geology)">sills</a>, and are also found as marginal facies of plutonic intrusions. They are usually dark in color, owing to the abundance of ferro-magnesian <a href="/wiki/Silicate_minerals" class="mw-redirect" title="Silicate minerals">silicates</a>, of high <a href="/wiki/Specific_gravity" class="mw-redirect" title="Specific gravity">specific gravity</a> and liable to decomposition. For these reasons they have been defined as a melanocrate series (rich in the dark <a href="/wiki/Mineral" title="Mineral">minerals</a>); and they are often accompanied by a complementary leucocrate series (rich in the white minerals feldspar and <a href="/wiki/Quartz" title="Quartz">quartz</a>) such as <a href="/wiki/Aplite" title="Aplite">aplites</a>, porphyries and <a href="/wiki/Felsite" title="Felsite">felsites</a>.<sup id="cite_ref-FOOTNOTEFlett1911135_1-0" class="reference"><a href="#cite_note-FOOTNOTEFlett1911135-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Biotite (usually <a href="/wiki/Phlogopite" title="Phlogopite">phlogopite</a>) and amphibole (usually <a href="/wiki/Pargasite" title="Pargasite">pargasite</a> or other magnesian <a href="/wiki/Hornblende" title="Hornblende">hornblende</a>) are panidiomorphic; all are euhedral, well formed. Feldspar is restricted to the <a href="/wiki/Matrix_(geology)" title="Matrix (geology)">ground mass</a>. In many lamprophyres the pale quartz and felspathic ingredients tend to occur in rounded spots, or <a href="/wiki/Ocelli" class="mw-redirect" title="Ocelli">ocelli</a>, in which there has been progressive crystallization from the margins towards the center. These spots may consist of radiate or brush-like feldspars (with some phlogopite and hornblende) or of quartz and feldspar. A central area of quartz or of <a href="/wiki/Analcite" class="mw-redirect" title="Analcite">analcite</a> probably represents an original <a href="/wiki/Miarolitic_cavities" class="mw-redirect" title="Miarolitic cavities">miarolitic cavity</a> infilled at a later period.<sup id="cite_ref-FOOTNOTEFlett1911135_1-1" class="reference"><a href="#cite_note-FOOTNOTEFlett1911135-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p><span class="anchor" id="Species"></span> The presence or absence of the four dominant minerals, orthoclase, plagioclase, biotite and hornblende, determines the species:<sup id="cite_ref-lebas-streckeisen-1991_2-0" class="reference"><a href="#cite_note-lebas-streckeisen-1991-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <ul><li><i>Minette</i> contains biotite and orthoclase.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li> <li><i>Kersantite</i> contains biotite and plagioclase.</li> <li><i>Vogesite</i> contains hornblende and orthoclase.</li> <li><i>Spessartite</i> contains hornblende and plagioclase.</li> <li><i>Monchiquite</i> contains no feldspar, has a glassy or <a href="/wiki/Feldspathoid" title="Feldspathoid">feldspathoid</a>-bearing groundmass, and contains amphibole phenocrysts.</li></ul> <p>Each variety of lamprophyre may and often does contain all four minerals but is named according to the two which predominate.<sup id="cite_ref-FOOTNOTEFlett1911135_1-2" class="reference"><a href="#cite_note-FOOTNOTEFlett1911135-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>These rocks contain also <a href="/wiki/Iron_oxide" title="Iron oxide">iron oxides</a> (usually titaniferous), <a href="/wiki/Apatite" title="Apatite">apatite</a>, sometimes <a href="/wiki/Sphene" class="mw-redirect" title="Sphene">sphene</a>, <a href="/wiki/Augite" title="Augite">augite</a>, and <a href="/wiki/Olivine" title="Olivine">olivine</a>. The hornblende and biotite are brown or greenish-brown, and as a rule their crystals even when small are very perfect and give the <a href="/wiki/Thin_section" title="Thin section">thin section</a> views an easily recognizable character. Green hornblende occurs in some of these rocks. Augite exists as euhedral crystals of pale green color, often zonal and readily weathering. Olivine in the fresh state is rare; it forms rounded, corroded grains; in many cases it is decomposed to green or colorless hornblende in radiating nests (pilite). The plagioclase occurs as small rectangular crystals; orthoclase may have similar shapes or may be fibrous and grouped in sheaf-like <a href="/wiki/Aggregate_(geology)" title="Aggregate (geology)">aggregates</a> that are narrow in the middle and spread out towards both ends. As all lamprophyres are prone to alteration by <a href="/wiki/Weathering" title="Weathering">weathering</a> a great abundance of secondary minerals is usually found in them; the principal are <a href="/wiki/Calcite" title="Calcite">calcite</a> and other <a href="/wiki/Carbonate" title="Carbonate">carbonates</a>, <a href="/wiki/Limonite" title="Limonite">limonite</a>, <a href="/wiki/Chlorite_group" title="Chlorite group">chlorite</a>, quartz and <a href="/wiki/Kaolin" class="mw-redirect" title="Kaolin">kaolin</a>.<sup id="cite_ref-FOOTNOTEFlett1911135_1-3" class="reference"><a href="#cite_note-FOOTNOTEFlett1911135-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Ocellar structure is common; the ocelli consist mainly of orthoclase and quartz, and may be up to one quarter of an inch in diameter. Another feature of these rocks is the presence of large foreign crystals, or <a href="/wiki/Xenocryst" class="mw-redirect" title="Xenocryst">xenocrysts</a>, of feldspar and of quartz. Their forms are rounded, indicating partial resorption and the quartz may be surrounded by corrosion borders of minerals such as augite and hornblende produced where the magma is attacking the crystal.<sup id="cite_ref-FOOTNOTEFlett1911135_1-4" class="reference"><a href="#cite_note-FOOTNOTEFlett1911135-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Lamprophyres (including minette) traditionally have been defined as:<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <ul><li>normally occurring as porphyritic dikes</li> <li>containing <a href="/wiki/Matrix_(geology)" title="Matrix (geology)">matrix</a> restricted feldspars and/or feldspathoids if present</li> <li>biotite or phlogopite is an essential <a href="/wiki/Mineral" title="Mineral">mineral</a> phase</li> <li>commonly extensively <a href="/wiki/Hydrothermal" class="mw-redirect" title="Hydrothermal">hydrothermally</a> altered</li> <li>may contain primary calcite, <a href="/wiki/Zeolite" title="Zeolite">zeolites</a> and other more typically hydrothermal minerals</li> <li>higher than normal contents of K<sub>2</sub>O and/or Na<sub>2</sub>O, H<sub>2</sub>O, CO<sub>2</sub>, S, P<sub>2</sub>O<sub>5</sub>, and Ba</li></ul> <p>On a purely chemical basis, an extrusive lamprophyre (sp. <i>minette</i>) might be classified as potassic <a href="/wiki/Trachybasalt" title="Trachybasalt">trachybasalt</a>, <a href="/wiki/Shoshonite" title="Shoshonite">shoshonite</a>, or <a href="/wiki/Latite" title="Latite">latite</a> using the total alkali-silica diagram (see <a href="/wiki/TAS_classification" title="TAS classification">TAS classification</a>), or as absarokite, shoshonite, or banakite using a classification sometimes applied to potassium-rich lavas. Such chemical classifications ignore the distinctive textures and mineralogies of lamprophyres. </p> <div class="mw-heading mw-heading2"><h2 id="Nomenclature">Nomenclature</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lamprophyre&action=edit&section=4" title="Edit section: Nomenclature"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The naming and classification of lamprophyres has had several revisions, and much argument within the geological community. Nicholas Rock and colleagues devoted much time to a complicated descriptive system of nomenclature which took after a series of nomenclature based on regional examples of the very diverse mineralogical expression of lamprophyres. This system was based on a somewhat provincial, rustic system of naming after French villages nearby were found the first described examples of various species of lamprophyre (Vosges being the prime example). </p><p>Modern nomenclature has been derived from an attempt to constrain some genetic parameters of lamprophyre genesis.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> This has, by and large, dispensed with the previous provincial names of lamprophyre species, in favor of a mineralogical name. The old names are still used for convenience. </p> <div class="mw-heading mw-heading3"><h3 id="Vogesite">Vogesite</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lamprophyre&action=edit&section=5" title="Edit section: Vogesite"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Vogesite was first described from the <a href="/wiki/Vosges" title="Vosges">Vosges</a> mountains, France, where rocks of this type (actually, minette) were described in the early 20th century. </p> <div class="mw-heading mw-heading3"><h3 id="Minette">Minette</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lamprophyre&action=edit&section=6" title="Edit section: Minette"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Minette_Dyke_in_New_Mexico_USA_01.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Minette_Dyke_in_New_Mexico_USA_01.jpg/220px-Minette_Dyke_in_New_Mexico_USA_01.jpg" decoding="async" width="220" height="146" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Minette_Dyke_in_New_Mexico_USA_01.jpg/330px-Minette_Dyke_in_New_Mexico_USA_01.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/da/Minette_Dyke_in_New_Mexico_USA_01.jpg/440px-Minette_Dyke_in_New_Mexico_USA_01.jpg 2x" data-file-width="3008" data-file-height="2000" /></a><figcaption>A dike of minette near <a href="/wiki/Shiprock" title="Shiprock">Shiprock</a>, Navajo Volcanic Field</figcaption></figure> <p>A historical view of minette was provided by Johannsen (1937). He wrote that the name was " ... used by the miners in the <a href="/wiki/Vosges" title="Vosges">Vosges</a> apparently for oolitic or granular iron ore, and possibly derived from the valley of Minkette, where it occurs...." </p><p>Examples include minettes in the Navajo Volcanic Field (e.g. dikes near Shiprock and Mitten Rock, NM) of the <a href="/wiki/Colorado_Plateau" title="Colorado Plateau">Colorado Plateau</a><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> and in the Mexican Volcanic Belt.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Kersantite">Kersantite</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lamprophyre&action=edit&section=7" title="Edit section: Kersantite"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Kersantite is named after the village of Kersanton, <a href="/wiki/Brittany" title="Brittany">Brittany</a>, France, where the rock was first identified. An obsolete name for kersantite is kersanton.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Distribution">Distribution</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lamprophyre&action=edit&section=8" title="Edit section: Distribution"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Lamprophyres are usually associated with voluminous <a href="/wiki/Granodiorite" title="Granodiorite">granodiorite</a> intrusive episodes.<sup id="cite_ref-Rock_9-0" class="reference"><a href="#cite_note-Rock-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> They occur as marginal facies to some granites, though usually as dikes and sills marginal to and crosscutting the granites and diorites.<sup id="cite_ref-Jackson_10-0" class="reference"><a href="#cite_note-Jackson-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> In other districts where granites are abundant no rocks of this class are known. It is rare to find only one member of the group present, but minettes, vogesites, kersantites, etc., all appear and there are usually transitional forms.<sup id="cite_ref-FOOTNOTEFlett1911135_1-5" class="reference"><a href="#cite_note-FOOTNOTEFlett1911135-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Lamprophyres are also known to be spatially and temporally associated with <a href="/wiki/Gold" title="Gold">gold</a> <a href="/wiki/Ore_genesis" title="Ore genesis">mineralisation</a>, for example <a href="/wiki/Orogeny" title="Orogeny">orogenic</a> gold deposits.<sup id="cite_ref-mullerandgroves2000_11-0" class="reference"><a href="#cite_note-mullerandgroves2000-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> Rock (1991) considered lamprophyres to be possible source rocks for the gold,<sup id="cite_ref-Rock_9-1" class="reference"><a href="#cite_note-Rock-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> but this view is not generally supported. The more reasonable explanation for the correlation is that lamprophyres, representing "wet" melts of the <a href="/wiki/Asthenosphere" title="Asthenosphere">asthenosphere</a> and <a href="/wiki/Mantle_(geology)" title="Mantle (geology)">mantle</a>, correlate with a period of high fluid flow from the mantle through the crust, during subduction-related metamorphism, which drives gold mineralisation.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>Non-melilitic lamprophyres are found in many districts where granites and diorites occur, such as the <a href="/wiki/Scottish_Highlands" title="Scottish Highlands">Scottish Highlands</a> and <a href="/wiki/Southern_Uplands" title="Southern Uplands">Southern Uplands</a> of Scotland;<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> the <a href="/wiki/Lake_District" title="Lake District">Lake District</a> of northwest England; <a href="/wiki/Ireland" title="Ireland">Ireland</a>; the <a href="/wiki/Vosges_Mountains" class="mw-redirect" title="Vosges Mountains">Vosges Mountains</a> of France; the <a href="/wiki/Black_Forest" title="Black Forest">Black Forest</a> and <a href="/wiki/Harz" title="Harz">Harz</a> mountain regions of Germany; <a href="/wiki/Mascota" title="Mascota">Mascota, Mexico</a>; <a href="/wiki/Jamaica" title="Jamaica">Jamaica</a><sup id="cite_ref-Jackson_10-1" class="reference"><a href="#cite_note-Jackson-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> and in certain locations of <a href="/wiki/British_Columbia" title="British Columbia">British Columbia</a>, Canada.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lamprophyre&action=edit&section=9" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-FOOTNOTEFlett1911135-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEFlett1911135_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEFlett1911135_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FOOTNOTEFlett1911135_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-FOOTNOTEFlett1911135_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-FOOTNOTEFlett1911135_1-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-FOOTNOTEFlett1911135_1-5"><sup><i><b>f</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFFlett1911">Flett 1911</a>, p. 135.</span> </li> <li id="cite_note-lebas-streckeisen-1991-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-lebas-streckeisen-1991_2-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFLe_BasStreckeisen1991" class="citation journal cs1">Le Bas, M. J.; Streckeisen, A. L. (1991). "The IUGS systematics of igneous rocks". <i>Journal of the Geological Society</i>. <b>148</b> (5): <span class="nowrap">825–</span>833. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1991JGSoc.148..825L">1991JGSoc.148..825L</a>. <a href="/wiki/CiteSeerX_(identifier)" class="mw-redirect" title="CiteSeerX (identifier)">CiteSeerX</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.692.4446">10.1.1.692.4446</a></span>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1144%2Fgsjgs.148.5.0825">10.1144/gsjgs.148.5.0825</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:28548230">28548230</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+the+Geological+Society&rft.atitle=The+IUGS+systematics+of+igneous+rocks&rft.volume=148&rft.issue=5&rft.pages=%3Cspan+class%3D%22nowrap%22%3E825-%3C%2Fspan%3E833&rft.date=1991&rft_id=https%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fsummary%3Fdoi%3D10.1.1.692.4446%23id-name%3DCiteSeerX&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A28548230%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1144%2Fgsjgs.148.5.0825&rft_id=info%3Abibcode%2F1991JGSoc.148..825L&rft.aulast=Le+Bas&rft.aufirst=M.+J.&rft.au=Streckeisen%2C+A.+L.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALamprophyre" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">Johannsen, A., 1937, A Descriptive Petrography of the Igneous Rocks: Volume III, The Intermediate Rocks. University of Chicago Press, Chicago, Illinois</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text">Le Maitre, R. W., editor, 2002, Igneous Rocks: A Classification and Glossary of Terms. Recommendations of the International Union of Geological Sciences, Subcommission of the Systematics of Igneous Rocks. Cambridge University Press.</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">Mitchell, R.H., 1994b. Suggestions for revisions to the terminology of kimberlites and lamprophyres from a genetic viewpoint. In <i>Proc. Fifth Int. Kimberlite Conf. 1. Kimberlites and Related Rocks and Mantle Xenoliths (H.O.A. Meyer & O.H. Leonardos, eds.).</i> Companhia de Pesquisa de Recursos Minerais (Brasilia), Spec. Publ. 1/A, 15-26.</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text">Roden, M. F. and Smith, D., 1979, Field geology, chemistry, and petrology of Buell Park minette diatreme, Apache County, Arizona: In Kimberlites, Diatremes, and Diamonds: Their Geology, Petrology, and Geochemistry, Boyd, F. R., and Meyer, H. O. A., eds., American Geophysical Union: Proceedings of the Second International Kimberlite Conference, v 1, pp. 364–381.</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text">Wallace, P., and Carmichael, I. S. E., 1989, Minette lavas and associated leucitites from the Western Front of the Mexican Volcanic Belt: petrology, chemistry, and origin. Contributions to Mineralogy and Petrology, v 103, pp. 470–492.</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFLe_Maitre2005" class="citation book cs1">Le Maitre, R. W., ed. (13 January 2005). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=u2tVu6Sbc4kC&q=press"><i>Igneous Rocks: A Classification and Glossary of Terms</i></a>. Cambridge University Press. p. 97. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780521662154" title="Special:BookSources/9780521662154"><bdi>9780521662154</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">7 October</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Igneous+Rocks%3A+A+Classification+and+Glossary+of+Terms&rft.pages=97&rft.pub=Cambridge+University+Press&rft.date=2005-01-13&rft.isbn=9780521662154&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Du2tVu6Sbc4kC%26q%3Dpress&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALamprophyre" class="Z3988"></span></span> </li> <li id="cite_note-Rock-9"><span class="mw-cite-backlink">^ <a href="#cite_ref-Rock_9-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Rock_9-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Rock, N.M.S., 1991, <i>Lamprophyres,</i> Blackie, Glasgow, UK <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0442303969" title="Special:BookSources/978-0442303969">978-0442303969</a></span> </li> <li id="cite_note-Jackson-10"><span class="mw-cite-backlink">^ <a href="#cite_ref-Jackson_10-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Jackson_10-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Jackson, T. A., Lewis, J. F., Scot, P. W., Manning, P. A. S., 1998, The Petrology of Lamprophyre Dykes in the Above Rocks Granitoid, Jamaica: Evidence of rifting above a subduction zone during the early Tertiary. <i>Caribbean Journal of Science</i>, volume 34, no. 1-2, pp. 1-11, 1998.</span> </li> <li id="cite_note-mullerandgroves2000-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-mullerandgroves2000_11-0">^</a></b></span> <span class="reference-text">Müller D., Groves D.I. (2019) Potassic igneous rocks and associated gold-copper mineralization (5th edition). Mineral Resource Reviews. Springer-Verlag Heidelberg, 398 pp</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFKenworthyHagemann2005" class="citation book cs1">Kenworthy, Shane; Hagemann, Steffen G. (2005). <i>Mineral Deposit Research: Meeting the Global Challenge</i>. Springer, Berlin, Heidelberg. pp. <span class="nowrap">987–</span>990. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2F3-540-27946-6_252">10.1007/3-540-27946-6_252</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3540279464" title="Special:BookSources/978-3540279464"><bdi>978-3540279464</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Mineral+Deposit+Research%3A+Meeting+the+Global+Challenge&rft.pages=%3Cspan+class%3D%22nowrap%22%3E987-%3C%2Fspan%3E990&rft.pub=Springer%2C+Berlin%2C+Heidelberg&rft.date=2005&rft_id=info%3Adoi%2F10.1007%2F3-540-27946-6_252&rft.isbn=978-3540279464&rft.aulast=Kenworthy&rft.aufirst=Shane&rft.au=Hagemann%2C+Steffen+G.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALamprophyre" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text">Thorpe R.S., Gaskarth J.W. & Henney P.J., 1993. Composite Ordovician lamprophyre (spessartite) intrusions around the Midlands Microcraton in central Britain. <i>Geological Magazine</i>, volume 130, pp. 657-663, 1993.</span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text">Rock, N.M.S, Gaskarth J.W., Rundle C.C., 1986. Late Caledonian dyke-swarms in southern Scotland: A regional zone of primitive K-rich Lamprophyres and associated vents. <i>Journal of Geology</i>, volume 94, pp. 505-522, 1986.</span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text">Adams , M., Lentz, D.R., Shaw, C., Williams, P., Archibald, D.A., Cousens, B., 2005. Eocene Lamprophyre Dykes intruding the Monashee Complex, B.C.: Petrochemical to Petrogenetic Relationships with the Kamloops Group Volcanic Sequence. Canadian Journal of Earth Sciences, v. 42, p. 11-24.</span> </li> </ol></div></div> <ul><li><span class="noprint"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/20px-Wikisource-logo.svg.png" decoding="async" width="12" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/40px-Wikisource-logo.svg.png 2x" data-file-width="410" data-file-height="430" /></span></span> </span>This article incorporates text from a publication now in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>: <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFFlett1911" class="citation encyclopaedia cs1"><a href="/wiki/John_Flett_(geologist)" title="John Flett (geologist)">Flett, John Smith</a> (1911). "<a href="https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Lamprophyres" class="extiw" title="s:1911 Encyclopædia Britannica/Lamprophyres">Lamprophyres</a>". In <a href="/wiki/Hugh_Chisholm" title="Hugh Chisholm">Chisholm, Hugh</a> (ed.). <i><a href="/wiki/Encyclop%C3%A6dia_Britannica_Eleventh_Edition" title="Encyclopædia Britannica Eleventh Edition">Encyclopædia Britannica</a></i>. Vol. 16 (11th ed.). Cambridge University Press. pp. <span class="nowrap">135–</span>136.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Lamprophyres&rft.btitle=Encyclop%C3%A6dia+Britannica&rft.pages=%3Cspan+class%3D%22nowrap%22%3E135-%3C%2Fspan%3E136&rft.edition=11th&rft.pub=Cambridge+University+Press&rft.date=1911&rft.aulast=Flett&rft.aufirst=John+Smith&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALamprophyre" class="Z3988"></span></li> <li>Tappe, S., Foley, S.F., Jenner, G.A. and Kjarsgaard, B.A., 2005. Integrating ultramafic lamprophyres into the IUGS classification of igneous rocks: Rational and implications. Journal of Petrology, 46(9): 1893-1900.</li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lamprophyre&action=edit&section=10" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://assets.cambridge.org/052166/215X/excerpt/052166215X_excerpt.pdf">IUGS addendum</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20080510070325/http://geol.lsu.edu/henry/Geology3041/lectures/02IgneousClassify/IUGS-IgneousClassFlowChart.htm">Igneous geology classification flowchart</a></li> <li><a rel="nofollow" class="external text" href="http://www.koeln.netsurf.de/~w.steffens/latam.htm">List of alkaline rocks in the Americas</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20071108232232/http://www.koeln.netsurf.de/~w.steffens/latam.htm">Archived</a> 2007-11-08 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist 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.navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Types_of_rocks88" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374" /><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Rock_type" title="Template:Rock type"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Rock_type" title="Template talk:Rock type"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Rock_type" title="Special:EditPage/Template:Rock type"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Types_of_rocks88" style="font-size:114%;margin:0 4em">Types of rocks</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Igneous_rock" title="Igneous rock">Igneous rock</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adakite" title="Adakite">Adakite</a></li> <li><a href="/wiki/Alkali_feldspar_granite" title="Alkali feldspar granite">Alkali feldspar granite</a></li> <li><a href="/wiki/Andesite" title="Andesite">Andesite</a></li> <li><a href="/wiki/Anorthosite" title="Anorthosite">Anorthosite</a></li> <li><a href="/wiki/Aplite" title="Aplite">Aplite</a></li> <li><a href="/wiki/Basalt" title="Basalt">Basalt</a> <ul><li><a href="/wiki/Alkali_basalt" title="Alkali basalt">Alkali basalt</a></li> <li><a href="/wiki/Picrite_basalt" title="Picrite basalt">Picrite basalt</a></li></ul></li> <li><a href="/wiki/Basaltic_trachyandesite" class="mw-redirect" title="Basaltic trachyandesite">Basaltic trachyandesite</a> <ul><li><a href="/wiki/Mugearite" title="Mugearite">Mugearite</a></li> <li><a href="/wiki/Shoshonite" title="Shoshonite">Shoshonite</a></li></ul></li> <li><a href="/wiki/Basanite" title="Basanite">Basanite</a></li> <li><a href="/wiki/Blairmorite" title="Blairmorite">Blairmorite</a></li> <li><a href="/wiki/Boninite" title="Boninite">Boninite</a></li> <li><a href="/wiki/Carbonatite" title="Carbonatite">Carbonatite</a></li> <li><a href="/wiki/Charnockite" title="Charnockite">Charnockite</a> <ul><li><a href="/wiki/Enderbite" title="Enderbite">Enderbite</a></li></ul></li> <li><a href="/wiki/Dacite" title="Dacite">Dacite</a></li> <li><a href="/wiki/Diabase" title="Diabase">Diabase</a></li> <li><a href="/wiki/Diorite" title="Diorite">Diorite</a> <ul><li><a href="/wiki/Napoleonite" title="Napoleonite">Napoleonite</a></li></ul></li> <li><a href="/wiki/Dunite" title="Dunite">Dunite</a></li> <li><a href="/wiki/Essexite" title="Essexite">Essexite</a></li> <li><a href="/wiki/Foidolite" title="Foidolite">Foidolite</a></li> <li><a href="/wiki/Gabbro" title="Gabbro">Gabbro</a></li> <li><a href="/wiki/Granite" title="Granite">Granite</a></li> <li><a href="/wiki/Granodiorite" title="Granodiorite">Granodiorite</a></li> <li><a href="/wiki/Granophyre" title="Granophyre">Granophyre</a></li> <li><a href="/wiki/Harzburgite" title="Harzburgite">Harzburgite</a></li> <li><a href="/wiki/Hornblendite" title="Hornblendite">Hornblendite</a></li> <li><a href="/wiki/Hyaloclastite" title="Hyaloclastite">Hyaloclastite</a></li> <li><a href="/wiki/Icelandite" title="Icelandite">Icelandite</a></li> <li><a href="/wiki/Ignimbrite" title="Ignimbrite">Ignimbrite</a></li> <li><a href="/wiki/Ijolite" title="Ijolite">Ijolite</a></li> <li><a href="/wiki/Kimberlite" title="Kimberlite">Kimberlite</a></li> <li><a href="/wiki/Komatiite" title="Komatiite">Komatiite</a></li> <li><a href="/wiki/Lamproite" title="Lamproite">Lamproite</a></li> <li><a class="mw-selflink selflink">Lamprophyre</a></li> <li><a href="/wiki/Latite" title="Latite">Latite</a></li> <li><a href="/wiki/Lherzolite" title="Lherzolite">Lherzolite</a></li> <li><a href="/wiki/Monzogranite" title="Monzogranite">Monzogranite</a></li> <li><a href="/wiki/Monzonite" title="Monzonite">Monzonite</a></li> <li><a href="/wiki/Nepheline_syenite" title="Nepheline syenite">Nepheline syenite</a></li> <li><a href="/wiki/Nephelinite" title="Nephelinite">Nephelinite</a></li> <li><a href="/wiki/Norite" title="Norite">Norite</a></li> <li><a href="/wiki/Obsidian" title="Obsidian">Obsidian</a></li> <li><a href="/wiki/Pegmatite" title="Pegmatite">Pegmatite</a></li> <li><a href="/wiki/Peridotite" title="Peridotite">Peridotite</a></li> <li><a href="/wiki/Phonolite" title="Phonolite">Phonolite</a></li> <li><a href="/wiki/Phonotephrite" title="Phonotephrite">Phonotephrite</a></li> <li><a href="/wiki/Porphyry_(geology)" title="Porphyry (geology)">Porphyry</a></li> <li><a href="/wiki/Pumice" title="Pumice">Pumice</a></li> <li><a href="/wiki/Pyroxenite" title="Pyroxenite">Pyroxenite</a></li> <li><a href="/wiki/Quartz_diorite" title="Quartz diorite">Quartz diorite</a></li> <li><a href="/wiki/Quartz_monzonite" title="Quartz monzonite">Quartz monzonite</a></li> <li><a href="/wiki/Quartzolite" title="Quartzolite">Quartzolite</a></li> <li><a href="/wiki/Rhyodacite" title="Rhyodacite">Rhyodacite</a></li> <li><a href="/wiki/Rhyolite" title="Rhyolite">Rhyolite</a> <ul><li><a href="/wiki/Comendite" title="Comendite">Comendite</a></li> <li><a href="/wiki/Pantellerite" title="Pantellerite">Pantellerite</a></li></ul></li> <li><a href="/wiki/Scoria" title="Scoria">Scoria</a></li> <li><a href="/wiki/Shonkinite" title="Shonkinite">Shonkinite</a></li> <li><a href="/wiki/Sovite" title="Sovite">Sovite</a></li> <li><a href="/wiki/Syenite" title="Syenite">Syenite</a></li> <li><a href="/wiki/Tachylyte" class="mw-redirect" title="Tachylyte">Tachylyte</a></li> <li><a href="/wiki/Tephriphonolite" title="Tephriphonolite">Tephriphonolite</a></li> <li><a href="/wiki/Tephrite" title="Tephrite">Tephrite</a></li> <li><a href="/wiki/Tonalite" title="Tonalite">Tonalite</a></li> <li><a href="/wiki/Trachyandesite" title="Trachyandesite">Trachyandesite</a> <ul><li><a href="/wiki/Benmoreite" title="Benmoreite">Benmoreite</a></li></ul></li> <li><a href="/wiki/Trachybasalt" title="Trachybasalt">Trachybasalt</a> <ul><li><a href="/wiki/Hawaiite" title="Hawaiite">Hawaiite</a></li></ul></li> <li><a href="/wiki/Trachyte" title="Trachyte">Trachyte</a></li> <li><a href="/wiki/Troctolite" title="Troctolite">Troctolite</a></li> <li><a href="/wiki/Trondhjemite" title="Trondhjemite">Trondhjemite</a></li> <li><a href="/wiki/Tuff" title="Tuff">Tuff</a></li> <li><a href="/wiki/Websterite" title="Websterite">Websterite</a></li> <li><a href="/wiki/Wehrlite" title="Wehrlite">Wehrlite</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sedimentary_rock" title="Sedimentary rock">Sedimentary rock</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Argillite" title="Argillite">Argillite</a></li> <li><a href="/wiki/Arkose" title="Arkose">Arkose</a></li> <li><a href="/wiki/Banded_iron_formation" title="Banded iron formation">Banded iron formation</a></li> <li><a href="/wiki/Breccia" title="Breccia">Breccia</a></li> <li><a href="/wiki/Calcarenite" title="Calcarenite">Calcarenite</a></li> <li><a href="/wiki/Chalk" title="Chalk">Chalk</a></li> <li><a href="/wiki/Chert" title="Chert">Chert</a></li> <li><a href="/wiki/Claystone" class="mw-redirect" title="Claystone">Claystone</a></li> <li><a href="/wiki/Coal" title="Coal">Coal</a></li> <li><a href="/wiki/Conglomerate_(geology)" title="Conglomerate (geology)">Conglomerate</a></li> <li><a href="/wiki/Coquina" title="Coquina">Coquina</a></li> <li><a href="/wiki/Diamictite" title="Diamictite">Diamictite</a></li> <li><a href="/wiki/Diatomite" class="mw-redirect" title="Diatomite">Diatomite</a></li> <li><a href="/wiki/Dolomite_(rock)" title="Dolomite (rock)">Dolomite</a></li> <li><a href="/wiki/Evaporite" title="Evaporite">Evaporite</a></li> <li><a href="/wiki/Flint" title="Flint">Flint</a></li> <li><a href="/wiki/Geyserite" title="Geyserite">Geyserite</a></li> <li><a href="/wiki/Greywacke" title="Greywacke">Greywacke</a></li> <li><a href="/wiki/Gritstone" title="Gritstone">Gritstone</a></li> <li><a href="/wiki/Itacolumite" title="Itacolumite">Itacolumite</a></li> <li><a href="/wiki/Jaspillite" title="Jaspillite">Jaspillite</a></li> <li><a href="/wiki/Laterite" title="Laterite">Laterite</a></li> <li><a href="/wiki/Lignite" title="Lignite">Lignite</a></li> <li><a href="/wiki/Limestone" title="Limestone">Limestone</a></li> <li><a href="/wiki/Lumachelle" title="Lumachelle">Lumachelle</a></li> <li><a href="/wiki/Marl" title="Marl">Marl</a></li> <li><a href="/wiki/Mudstone" title="Mudstone">Mudstone</a></li> <li><a href="/wiki/Oil_shale" title="Oil shale">Oil shale</a></li> <li><a href="/wiki/Oolite" title="Oolite">Oolite</a></li> <li><a href="/wiki/Phosphorite" title="Phosphorite">Phosphorite</a></li> <li><a href="/wiki/Sandstone" title="Sandstone">Sandstone</a></li> <li><a href="/wiki/Shale" title="Shale">Shale</a></li> <li><a href="/wiki/Siltstone" title="Siltstone">Siltstone</a></li> <li><a href="/wiki/Sylvinite" title="Sylvinite">Sylvinite</a></li> <li><a href="/wiki/Tillite" class="mw-redirect" title="Tillite">Tillite</a></li> <li><a href="/wiki/Travertine" title="Travertine">Travertine</a></li> <li><a href="/wiki/Tufa" title="Tufa">Tufa</a></li> <li><a href="/wiki/Turbidite" title="Turbidite">Turbidite</a></li> <li><a href="/wiki/Varve" title="Varve">Varve</a></li> <li><a href="/wiki/Wackestone" title="Wackestone">Wackestone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Metamorphic_rock" title="Metamorphic rock">Metamorphic rock</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anthracite" title="Anthracite">Anthracite</a></li> <li><a href="/wiki/Amphibolite" title="Amphibolite">Amphibolite</a></li> <li><a href="/wiki/Blueschist" title="Blueschist">Blueschist</a></li> <li><a href="/wiki/Cataclasite" title="Cataclasite">Cataclasite</a></li> <li><a href="/wiki/Eclogite" title="Eclogite">Eclogite</a></li> <li><a href="/wiki/Gneiss" title="Gneiss">Gneiss</a></li> <li><a href="/wiki/Granulite" title="Granulite">Granulite</a></li> <li><a href="/wiki/Greenschist" title="Greenschist">Greenschist</a></li> <li><a href="/wiki/Hornfels" title="Hornfels">Hornfels</a> <ul><li><a href="/wiki/Calcflinta" title="Calcflinta">Calcflinta</a></li></ul></li> <li><a href="/wiki/Itabirite" title="Itabirite">Itabirite</a></li> <li><a href="/wiki/Litchfieldite" title="Litchfieldite">Litchfieldite</a></li> <li><a href="/wiki/Marble" title="Marble">Marble</a></li> <li><a href="/wiki/Migmatite" title="Migmatite">Migmatite</a></li> <li><a href="/wiki/Mylonite" title="Mylonite">Mylonite</a></li> <li><a href="/wiki/Metapelite" class="mw-redirect" title="Metapelite">Metapelite</a></li> <li><a href="/w/index.php?title=Metapsammite&action=edit&redlink=1" class="new" title="Metapsammite (page does not exist)">Metapsammite</a></li> <li><a href="/wiki/Phyllite" title="Phyllite">Phyllite</a></li> <li><a href="/wiki/Pseudotachylite" class="mw-redirect" title="Pseudotachylite">Pseudotachylite</a></li> <li><a href="/wiki/Quartzite" title="Quartzite">Quartzite</a></li> <li><a href="/wiki/Schist" title="Schist">Schist</a></li> <li><a href="/wiki/Serpentinite" title="Serpentinite">Serpentinite</a></li> <li><a href="/wiki/Skarn" title="Skarn">Skarn</a></li> <li><a href="/wiki/Slate" title="Slate">Slate</a></li> <li><a href="/wiki/Suevite" title="Suevite">Suevite</a></li> <li><a href="/wiki/Talc_carbonate" title="Talc carbonate">Talc carbonate</a> <ul><li><a href="/wiki/Soapstone" title="Soapstone">Soapstone</a></li></ul></li> <li><a href="/wiki/Tectonite" title="Tectonite">Tectonite</a></li> <li><a href="/wiki/Whiteschist" title="Whiteschist">Whiteschist</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Specific varieties</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adamellite" class="mw-redirect" title="Adamellite">Adamellite</a></li> <li><a href="/wiki/Appinite" title="Appinite">Appinite</a></li> <li><a href="/wiki/Aphanite" title="Aphanite">Aphanite</a></li> <li><a href="/wiki/Borolanite" title="Borolanite">Borolanite</a></li> <li><a href="/wiki/Larvikite" title="Larvikite">Blue Granite</a></li> <li><a href="/wiki/Epidosite" title="Epidosite">Epidosite</a></li> <li><a href="/wiki/Felsite" title="Felsite">Felsite</a></li> <li><a href="/wiki/Flint" title="Flint">Flint</a></li> <li><a href="/wiki/Ganister" title="Ganister">Ganister</a></li> <li><a href="/wiki/Gossan" title="Gossan">Gossan</a></li> <li><a href="/wiki/Hyaloclastite" title="Hyaloclastite">Hyaloclastite</a></li> <li><a href="/wiki/Ijolite" title="Ijolite">Ijolite</a></li> <li><a href="/wiki/Jadeitite" title="Jadeitite">Jadeitite</a></li> <li><a href="/wiki/Jasperoid" title="Jasperoid">Jasperoid</a></li> <li><a href="/wiki/Kenyte" title="Kenyte">Kenyte</a></li> <li><a href="/wiki/Lapis_lazuli" title="Lapis lazuli">Lapis lazuli</a></li> <li><a href="/wiki/Larvikite" title="Larvikite">Larvikite</a></li> <li><a href="/wiki/Litchfieldite" title="Litchfieldite">Litchfieldite</a></li> <li><a href="/wiki/Llanite" title="Llanite">Llanite</a></li> <li><a href="/wiki/Luxullianite" title="Luxullianite">Luxullianite</a></li> <li><a href="/wiki/Mangerite" title="Mangerite">Mangerite</a></li> <li><a href="/wiki/Novaculite" title="Novaculite">Novaculite</a></li> <li><a href="/wiki/Pietersite" title="Pietersite">Pietersite</a></li> <li><a href="/wiki/Pyrolite" title="Pyrolite">Pyrolite</a></li> <li><a href="/wiki/Rapakivi_granite" title="Rapakivi granite">Rapakivi granite</a></li> <li><a href="/wiki/Rhomb_porphyry" class="mw-redirect" title="Rhomb porphyry">Rhomb porphyry</a></li> <li><a href="/wiki/Rodingite" title="Rodingite">Rodingite</a></li> <li><a href="/wiki/Shonkinite" title="Shonkinite">Shonkinite</a></li> <li><a href="/wiki/Taconite" title="Taconite">Taconite</a></li> <li><a href="/wiki/Tachylite" title="Tachylite">Tachylite</a></li> <li><a href="/wiki/Teschenite" title="Teschenite">Teschenite</a></li> <li><a href="/wiki/Theralite" title="Theralite">Theralite</a></li> <li><a href="/wiki/Unakite" title="Unakite">Unakite</a></li> <li><a href="/wiki/Variolite" title="Variolite">Variolite</a></li> <li><a href="/wiki/Wad_(mineral)" title="Wad (mineral)">Wad</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Lamprophyre&oldid=1282227325">https://en.wikipedia.org/w/index.php?title=Lamprophyre&oldid=1282227325</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Ultrapotassic_rocks" title="Category:Ultrapotassic rocks">Ultrapotassic rocks</a></li><li><a href="/wiki/Category:Ultramafic_rocks" title="Category:Ultramafic rocks">Ultramafic rocks</a></li><li><a href="/wiki/Category:Mafic_rocks" title="Category:Mafic rocks">Mafic rocks</a></li><li><a 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