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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">List of rock types</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 26 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-26" 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">26 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/Llista_de_roques" title="Llista de roques – Catalan" lang="ca" hreflang="ca" data-title="Llista de roques" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Liste_der_Gesteine" title="Liste der Gesteine – German" lang="de" hreflang="de" data-title="Liste der Gesteine" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Kivimite_loend" title="Kivimite loend – Estonian" lang="et" hreflang="et" data-title="Kivimite loend" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-es badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://es.wikipedia.org/wiki/Anexo:Tipos_de_rocas" title="Anexo:Tipos de rocas – Spanish" lang="es" hreflang="es" data-title="Anexo:Tipos de rocas" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Listo_de_petroj" title="Listo de petroj – Esperanto" lang="eo" hreflang="eo" data-title="Listo de petroj" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Liste_de_roches" title="Liste de roches – French" lang="fr" hreflang="fr" data-title="Liste de roches" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%95%94%EC%84%9D_%EB%AA%A9%EB%A1%9D" title="암석 목록 – Korean" lang="ko" hreflang="ko" data-title="암석 목록" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Popis_stijena" title="Popis stijena – Croatian" lang="hr" hreflang="hr" data-title="Popis stijena" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Daftar_jenis_bebatuan" title="Daftar jenis bebatuan – Indonesian" lang="id" hreflang="id" data-title="Daftar jenis bebatuan" 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-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/L%C3%ABscht_vu_Gestengs" title="Lëscht vu Gestengs – Luxembourgish" lang="lb" hreflang="lb" data-title="Lëscht vu Gestengs" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%96%E0%A4%A1%E0%A4%95%E0%A4%BE%E0%A4%82%E0%A4%9A%E0%A5%87_%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%95%E0%A4%BE%E0%A4%B0" title="खडकांचे प्रकार – Marathi" lang="mr" hreflang="mr" data-title="खडकांचे प्रकार" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Lijst_van_gesteenten" title="Lijst van gesteenten – Dutch" lang="nl" hreflang="nl" data-title="Lijst van gesteenten" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%B2%A9%E7%9F%B3%E3%81%AE%E4%B8%80%E8%A6%A7" title="岩石の一覧 – Japanese" lang="ja" hreflang="ja" data-title="岩石の一覧" 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-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Liste_over_bergarter" title="Liste over bergarter – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Liste over bergarter" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Lista_de_rochas" title="Lista de rochas – Portuguese" lang="pt" hreflang="pt" data-title="Lista de rochas" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/List%C4%83_de_roci" title="Listă de roci – Romanian" lang="ro" hreflang="ro" data-title="Listă de roci" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9A%D0%BB%D0%B0%D1%81%D1%81%D0%B8%D1%84%D0%B8%D0%BA%D0%B0%D1%86%D0%B8%D1%8F_%D0%BC%D0%B0%D0%B3%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D1%85_%D0%B3%D0%BE%D1%80%D0%BD%D1%8B%D1%85_%D0%BF%D0%BE%D1%80%D0%BE%D0%B4" title="Классификация магматических горных пород – Russian" lang="ru" hreflang="ru" data-title="Классификация магматических горных пород" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/List_of_rock_types" title="List of rock types – Simple English" lang="en-simple" hreflang="en-simple" data-title="List of rock types" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Zoznam_horn%C3%ADn" title="Zoznam hornín – Slovak" lang="sk" hreflang="sk" data-title="Zoznam hornín" 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%A1%D0%BF%D0%B8%D1%81%D0%B0%D0%BA_%D1%81%D1%82%D0%B5%D0%BD%D0%B0" title="Списак стена – Serbian" lang="sr" hreflang="sr" data-title="Списак стена" 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-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Lista_vrsta_stijena" title="Lista vrsta stijena – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Lista vrsta stijena" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Lista_%C3%B6ver_bergarter" title="Lista över bergarter – Swedish" lang="sv" hreflang="sv" data-title="Lista över bergarter" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kaya%C3%A7_t%C3%BCr%C3%BC_listesi" title="Kayaç türü listesi – Turkish" lang="tr" hreflang="tr" data-title="Kayaç türü listesi" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9A%D0%BB%D0%B0%D1%81%D0%B8%D1%84%D1%96%D0%BA%D0%B0%D1%86%D1%96%D1%8F_%D0%B3%D1%96%D1%80%D1%81%D1%8C%D0%BA%D0%B8%D1%85_%D0%BF%D0%BE%D1%80%D1%96%D0%B4" title="Класифікація гірських порід – Ukrainian" lang="uk" hreflang="uk" data-title="Класифікація гірських порід" 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/Danh_s%C3%A1ch_lo%E1%BA%A1i_%C4%91%C3%A1" title="Danh sách loại đá – Vietnamese" lang="vi" hreflang="vi" data-title="Danh sách loại đá" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" 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class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">List of rock types recognized by geologists</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For a list of rock music styles, see <a href="/wiki/List_of_music_styles#Rock" class="mw-redirect" title="List of music styles">List of music styles § Rock</a>.</div> <p>The following is a list of <a href="/wiki/Rock_(geology)" title="Rock (geology)">rock</a> types recognized by <a href="/wiki/Geologist" title="Geologist">geologists</a>. There is no agreed number of specific types of rock. Any unique combination of chemical composition, mineralogy, grain size, texture, or other distinguishing characteristics can describe a rock type. Additionally, different classification systems exist for each major type of rock.<sup id="cite_ref-BGS_Rock_Classification_Scheme_-_Igneous_-_Metamorphic_-_Sedimentary_-_Superficial_1-0" class="reference"><a href="#cite_note-BGS_Rock_Classification_Scheme_-_Igneous_-_Metamorphic_-_Sedimentary_-_Superficial-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> There are three major types of rock: <a href="/wiki/Igneous_rock" title="Igneous rock">igneous rock</a>, <a href="/wiki/Metamorphic_rock" title="Metamorphic rock">metamorphic rock</a>, and <a href="/wiki/Sedimentary_rock" title="Sedimentary rock">sedimentary rock</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Igneous_rocks">Igneous rocks</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_rock_types&action=edit&section=1" title="Edit section: Igneous rocks"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Igneous_rock" title="Igneous rock">Igneous rock</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Amygdaloidal_andesite.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Amygdaloidal_andesite.jpg/220px-Amygdaloidal_andesite.jpg" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Amygdaloidal_andesite.jpg/330px-Amygdaloidal_andesite.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Amygdaloidal_andesite.jpg/440px-Amygdaloidal_andesite.jpg 2x" data-file-width="500" data-file-height="500" /></a><figcaption>A sample of andesite (dark groundmass) with <a href="/wiki/Crystal_habit#List_of_crystal_habits" title="Crystal habit">amygdaloidal</a> <a href="/wiki/Vesicular_texture" title="Vesicular texture">vesicles</a> filled with <a href="/wiki/Zeolite" title="Zeolite">zeolite</a>. Diameter of view is 8 cm.</figcaption></figure> <ul><li><a href="/wiki/Adakite" title="Adakite">Adakite</a> – Volcanic rock type</li> <li><a href="/wiki/Andesite" title="Andesite">Andesite</a> – Type of volcanic rock</li> <li><a href="/wiki/Alkali_feldspar_granite" title="Alkali feldspar granite">Alkali feldspar granite</a> – Type of igneous rock rich in alkali feldspar</li> <li><a href="/wiki/Anorthosite" title="Anorthosite">Anorthosite</a> – Mafic intrusive igneous rock composed predominantly of plagioclase</li> <li><a href="/wiki/Aplite" title="Aplite">Aplite</a> – Fine-grained intrusive igneous rock type similar to granite</li> <li><a href="/wiki/Basalt" title="Basalt">Basalt</a> – Magnesium- and iron-rich extrusive igneous rock <ul><li><a href="/wiki/%CA%BBA%CA%BB%C4%81" class="mw-redirect" title="ʻAʻā">ʻAʻā</a> – Molten rock expelled by a volcano during an eruption<span style="display:none" class="category-annotation-with-redirected-description">Pages displaying short descriptions of redirect targets</span> – Basaltic lava with a crumpled appearance</li> <li><a href="/wiki/P%C4%81hoehoe" class="mw-redirect" title="Pāhoehoe">Pāhoehoe</a> – Molten rock expelled by a volcano during an eruption<span style="display:none" class="category-annotation-with-redirected-description">Pages displaying short descriptions of redirect targets</span> – Basaltic lava with a flowing, often ropy appearance</li></ul></li> <li><a href="/wiki/Basaltic_trachyandesite" class="mw-redirect" title="Basaltic trachyandesite">Basaltic trachyandesite</a> – Naming system for volcanic rocks<span style="display:none" class="category-annotation-with-redirected-description">Pages displaying short descriptions of redirect targets</span> <ul><li><a href="/wiki/Mugearite" title="Mugearite">Mugearite</a> – Volcanic rock type</li> <li><a href="/wiki/Shoshonite" title="Shoshonite">Shoshonite</a> – Potassium-rich variety of basaltic trachyandesite</li></ul></li> <li><a href="/wiki/Basanite" title="Basanite">Basanite</a> – Type of volcanic rock</li> <li><a href="/wiki/Blairmorite" title="Blairmorite">Blairmorite</a> – Rare porphyritic volcanic rock</li> <li><a href="/wiki/Boninite" title="Boninite">Boninite</a> – Ultramafic extrusive rock high in both magnesium and silica</li> <li><a href="/wiki/Carbonatite" title="Carbonatite">Carbonatite</a> – Igneous rock with more than 50% carbonate minerals</li> <li><a href="/wiki/Charnockite" title="Charnockite">Charnockite</a> – Type of granite containing orthopyroxene <ul><li><a href="/wiki/Enderbite" title="Enderbite">Enderbite</a> – Igneous rock of the charnockite series</li></ul></li> <li><a href="/wiki/Dacite" title="Dacite">Dacite</a> – Volcanic rock intermediate in composition between andesite and rhyolite</li> <li><a href="/wiki/Diabase" title="Diabase">Diabase</a>, also known as dolerite – Type of igneous rock</li> <li><a href="/wiki/Diorite" title="Diorite">Diorite</a> – Igneous rock type <ul><li><a href="/wiki/Napoleonite" title="Napoleonite">Napoleonite</a>, also known as corsite – Variety of diorite with orbicular structure</li></ul></li> <li><a href="/wiki/Dunite" title="Dunite">Dunite</a> – Ultramafic and ultrabasic rock from Earth's mantle which is made of the mineral olivine</li> <li><a href="/wiki/Essexite" title="Essexite">Essexite</a> – Igneous rock type</li> <li><a href="/wiki/Foidolite" title="Foidolite">Foidolite</a> – Igneous rock rich in feldspathoid minerals</li> <li><a href="/wiki/Gabbro" title="Gabbro">Gabbro</a> – Coarse-grained mafic intrusive rock</li> <li><a href="/wiki/Granite" title="Granite">Granite</a> – Type of igneous rock</li> <li><a href="/wiki/Granodiorite" title="Granodiorite">Granodiorite</a> – Type of coarse grained intrusive igneous rock</li> <li><a href="/wiki/Granophyre" title="Granophyre">Granophyre</a> – Subvolcanic rock that contains quartz and alkali feldspar in characteristic angular intergrowths</li> <li><a href="/wiki/Harzburgite" title="Harzburgite">Harzburgite</a> – Ultramafic mantle rock</li> <li><a href="/wiki/Hornblendite" title="Hornblendite">Hornblendite</a> – Plutonic rock consisting mainly of the amphibole hornblende</li> <li><a href="/wiki/Hyaloclastite" title="Hyaloclastite">Hyaloclastite</a> – Volcaniclastic accumulation or breccia</li> <li><a href="/wiki/Icelandite" title="Icelandite">Icelandite</a> – Igneous rock type</li> <li><a href="/wiki/Ignimbrite" title="Ignimbrite">Ignimbrite</a> – Type of volcanic rock</li> <li><a href="/wiki/Ijolite" title="Ijolite">Ijolite</a> – Igneous rock consisting essentially of nepheline and augite</li> <li><a href="/wiki/Kimberlite" title="Kimberlite">Kimberlite</a> – Igneous rock which sometimes contains diamonds</li> <li><a href="/wiki/Komatiite" title="Komatiite">Komatiite</a> – Magnesium-rich igneous rock</li> <li><a href="/wiki/Lamproite" title="Lamproite">Lamproite</a> – Mantle rock expulsed to the surface in volcanic pipes</li> <li><a href="/wiki/Lamprophyre" title="Lamprophyre">Lamprophyre</a> – Ultrapotassic igneous rocks – An ultramafic, <a href="/wiki/Ultrapotassic_igneous_rocks" title="Ultrapotassic igneous rocks">ultrapotassic</a> intrusive rock dominated by mafic <a href="/wiki/Phenocryst" title="Phenocryst">phenocrysts</a> in a feldspar groundmass</li> <li><a href="/wiki/Latite" title="Latite">Latite</a> – Type of volcanic rock – A silica-undersaturated form of andesite</li> <li><a href="/wiki/Lherzolite" title="Lherzolite">Lherzolite</a> – an ultramafic and ultrabasic rock that is composed of olivine and pyroxene<span style="display:none" class="category-wikidata-fallback-annotation">Pages displaying wikidata descriptions as a fallback</span> – An ultramafic rock, essentially a <a href="/wiki/Peridotite" title="Peridotite">peridotite</a></li> <li><a href="/wiki/Monzogranite" title="Monzogranite">Monzogranite</a> – Biotite granite rocks that are considered to be the final fractionation product of magma – A silica-undersaturated granite with <5% <a href="/wiki/Normative_mineralogy" title="Normative mineralogy">normative</a> quartz</li> <li><a href="/wiki/Monzonite" title="Monzonite">Monzonite</a> – Igneous intrusive rock with low quartz and equal plagioclase and alkali feldspar – a plutonic rock with <5% <a href="/wiki/Normative_mineralogy" title="Normative mineralogy">normative</a> quartz</li> <li><a href="/wiki/Nepheline_syenite" title="Nepheline syenite">Nepheline syenite</a> – Holocrystalline plutonic rock – A silica-undersaturated plutonic rock of <a href="/wiki/Nepheline" title="Nepheline">nepheline</a> and <a href="/wiki/Alkali_feldspar" class="mw-redirect" title="Alkali feldspar">alkali feldspar</a></li> <li><a href="/wiki/Nephelinite" title="Nephelinite">Nephelinite</a> – Igneous rock made up almost entirely of nepheline and clinopyroxene – A silica-undersaturated plutonic rock with >90% nepheline</li> <li><a href="/wiki/Norite" title="Norite">Norite</a> – igneous rock<span style="display:none" class="category-wikidata-fallback-annotation">Pages displaying wikidata descriptions as a fallback</span> – A hypersthene-bearing gabbro</li> <li><a href="/wiki/Obsidian" title="Obsidian">Obsidian</a> – Naturally occurring volcanic glass</li> <li><a href="/wiki/Pegmatite" title="Pegmatite">Pegmatite</a> – Igneous rock with very large interlocked crystals</li> <li><a href="/wiki/Peridotite" title="Peridotite">Peridotite</a> – Coarse-grained ultramafic igneous rock type</li> <li><a href="/wiki/Phonolite" title="Phonolite">Phonolite</a> – Uncommon extrusive rock – A silica-undersaturated volcanic rock; essentially similar to <a href="/wiki/Nepheline_syenite" title="Nepheline syenite">nepheline syenite</a></li> <li><a href="/wiki/Phonotephrite" title="Phonotephrite">Phonotephrite</a> – strongly alkaline volcanic rock with a composition between phonolite and tephrite<span style="display:none" class="category-wikidata-fallback-annotation">Pages displaying wikidata descriptions as a fallback</span> – A volcanic rock with a composition between phonolite and tephrite</li> <li><a href="/wiki/Picrite" class="mw-redirect" title="Picrite">Picrite</a> – Variety of high-magnesium basalt that is very rich in the mineral olivine<span style="display:none" class="category-annotation-with-redirected-description">Pages displaying short descriptions of redirect targets</span> – An olivine-bearing <a href="/wiki/Basalt" title="Basalt">basalt</a></li> <li><a href="/wiki/Porphyry_(geology)" title="Porphyry (geology)">Porphyry</a> – Textural form of igneous rock with large grained crystals in a fine matrix</li> <li><a href="/wiki/Pumice" title="Pumice">Pumice</a> – Extremely vesicular volcanic rock, typically light-colored</li> <li><a href="/wiki/Pyroxenite" title="Pyroxenite">Pyroxenite</a> – Igneous rock - a coarse grained plutonic rock composed of >90% <a href="/wiki/Pyroxene" title="Pyroxene">pyroxene</a></li> <li><a href="/wiki/Quartz_diorite" title="Quartz diorite">Quartz diorite</a> – Igneous, plutonic rock – A diorite with >5% modal quartz</li> <li><a href="/wiki/Quartz_monzonite" title="Quartz monzonite">Quartz monzonite</a> – Type of igneous rock – An intermediate plutonic rock, essentially a monzonite with 5–10% modal quartz</li> <li><a href="/wiki/Quartzolite" title="Quartzolite">Quartzolite</a> – Extremely rare igneous rock made mostly of quartz – An intrusive rock composed mostly of quartz</li> <li><a href="/wiki/Rhyodacite" title="Rhyodacite">Rhyodacite</a> – Volcanic rock rich in silica and low in alkali metal oxides – A felsic volcanic rock which is intermediate between a rhyolite and a dacite</li> <li><a href="/wiki/Rhyolite" title="Rhyolite">Rhyolite</a> – Igneous, volcanic rock, of felsic (silica-rich) composition <ul><li><a href="/wiki/Comendite" title="Comendite">Comendite</a> – Hard, peralkaline igneous rock, a type of light blue grey rhyolite</li> <li><a href="/wiki/Pantellerite" title="Pantellerite">Pantellerite</a> – Peralkaline rhyolite type of volcanic rock</li></ul></li> <li><a href="/wiki/Scoria" title="Scoria">Scoria</a> – Dark vesicular volcanic rock</li> <li><a href="/wiki/Shonkinite" title="Shonkinite">Shonkinite</a> – Intrusive igneous rock – a plutonic rock</li> <li><a href="/wiki/Sovite" title="Sovite">Sovite</a> – Igneous rock – A coarse-grained <a href="/wiki/Carbonatite" title="Carbonatite">carbonatite</a> rock</li> <li><a href="/wiki/Syenite" title="Syenite">Syenite</a> – Intrusive igneous rock – A plutonic rock dominated by orthoclase feldspar; a type of <a href="/wiki/Granite" title="Granite">granitoid</a></li> <li><a href="/wiki/Tachylyte" class="mw-redirect" title="Tachylyte">Tachylyte</a> – Form of basaltic volcanic glass<span style="display:none" class="category-annotation-with-redirected-description">Pages displaying short descriptions of redirect targets</span> – Essentially a basaltic glass</li> <li><a href="/wiki/Tephriphonolite" title="Tephriphonolite">Tephriphonolite</a> – Type of igneous rock – A volcanic rock with a composition between phonotephrite and phonolite</li> <li><a href="/wiki/Tephrite" title="Tephrite">Tephrite</a> – Igneous, volcanic rock – A silica-undersaturated volcanic rock</li> <li><a href="/wiki/Tonalite" title="Tonalite">Tonalite</a> – Igneous rock – A plagioclase-dominant granitoid</li> <li><a href="/wiki/Trachyandesite" title="Trachyandesite">Trachyandesite</a> – Extrusive igneous rock – An alkaline intermediate volcanic rock <ul><li><a href="/wiki/Benmoreite" title="Benmoreite">Benmoreite</a> – Volcanic rock type - sodic trachyandesite</li></ul></li> <li><a href="/wiki/Trachybasalt" title="Trachybasalt">Trachybasalt</a> – Volcanic rock – A volcanic rock with a composition between basalt and trachyte <ul><li><a href="/wiki/Hawaiite" title="Hawaiite">Hawaiite</a> – Volcanic rock – a sodic type of trachybasalt, typically formed by ocean island (<a href="/wiki/Hot_spot_(geology)" class="mw-redirect" title="Hot spot (geology)">hot spot</a>) <a href="/wiki/Volcanism" title="Volcanism">volcanism</a></li></ul></li> <li><a href="/wiki/Trachyte" title="Trachyte">Trachyte</a> – Extrusive igneous rock – A silica-undersaturated volcanic rock; essentially a feldspathoid-bearing rhyolite</li> <li><a href="/wiki/Troctolite" title="Troctolite">Troctolite</a> – Igneous rock – A plutonic ultramafic rock containing <a href="/wiki/Olivine" title="Olivine">olivine</a>, <a href="/wiki/Pyroxene" title="Pyroxene">pyroxene</a> and <a href="/wiki/Plagioclase" title="Plagioclase">plagioclase</a></li> <li><a href="/wiki/Trondhjemite" title="Trondhjemite">Trondhjemite</a> – Light-colored intrusive igneous rock – A form of tonalite where plagioclase-group feldspar is <a href="/wiki/Oligoclase" title="Oligoclase">oligoclase</a></li> <li><a href="/wiki/Tuff" title="Tuff">Tuff</a> – Rock consolidated from volcanic ash</li> <li><a href="/wiki/Websterite" title="Websterite">Websterite</a> – Ultramafic and ultrabasic rock – A type of <a href="/wiki/Pyroxenite" title="Pyroxenite">pyroxenite</a>, composed of clinoproxene and orthopyroxene</li> <li><a href="/wiki/Wehrlite" title="Wehrlite">Wehrlite</a> – Ultramafic rock - An ultramafic plutonic or cumulate rock, a type of <a href="/wiki/Peridotite" title="Peridotite">peridotite</a>, composed of olivine and clinopyroxene</li></ul> <div class="mw-heading mw-heading2"><h2 id="Sedimentary_rocks">Sedimentary rocks</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_rock_types&action=edit&section=2" title="Edit section: Sedimentary rocks"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Sedimentary_rock" title="Sedimentary rock">Sedimentary rock</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Coalseam_8618.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Coalseam_8618.JPG/220px-Coalseam_8618.JPG" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Coalseam_8618.JPG/330px-Coalseam_8618.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/0/08/Coalseam_8618.JPG 2x" data-file-width="400" data-file-height="300" /></a><figcaption>Bituminous coal seam in <a href="/wiki/West_Virginia" title="West Virginia">West Virginia</a></figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Limestoneshale7342.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/Limestoneshale7342.jpg/220px-Limestoneshale7342.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/3/32/Limestoneshale7342.jpg 1.5x" data-file-width="300" data-file-height="225" /></a><figcaption>Limey <a href="/wiki/Shale" title="Shale">shale</a> overlaid by <a href="/wiki/Limestone" title="Limestone">limestone</a>. <a href="/wiki/Cumberland_Plateau" title="Cumberland Plateau">Cumberland Plateau</a>, <a href="/wiki/Tennessee" title="Tennessee">Tennessee</a></figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Dolomite_Morocco.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3c/Dolomite_Morocco.jpg/220px-Dolomite_Morocco.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/3/3c/Dolomite_Morocco.jpg 1.5x" data-file-width="300" data-file-height="225" /></a><figcaption>Dolomite crystals from Touissite, Morocco</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Turbidite_2.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/01/Turbidite_2.JPG/220px-Turbidite_2.JPG" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/01/Turbidite_2.JPG/330px-Turbidite_2.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/01/Turbidite_2.JPG/440px-Turbidite_2.JPG 2x" data-file-width="640" data-file-height="480" /></a><figcaption>Turbidite (Gorgoglione Flysch), Miocene, South Italy</figcaption></figure> <ul><li><a href="/wiki/Argillite" title="Argillite">Argillite</a> – Sedimentary rock, mostly of indurated clay particles</li> <li><a href="/wiki/Arkose" title="Arkose">Arkose</a> – Type of sandstone containing at least 25% feldspar</li> <li><a href="/wiki/Banded_iron_formation" title="Banded iron formation">Banded iron formation</a> – Distinctive layered units of iron-rich sedimentary rock that are almost always of Precambrian age</li> <li><a href="/wiki/Breccia" title="Breccia">Breccia</a> – Rock composed of angular fragments</li> <li><a href="/wiki/Calcarenite" title="Calcarenite">Calcarenite</a> – Type of limestone that is composed predominantly of sand-size grains</li> <li><a href="/wiki/Chalk" title="Chalk">Chalk</a> – Soft carbonate rock</li> <li><a href="/wiki/Chert" title="Chert">Chert</a> – Hard, fine-grained sedimentary rock composed of cryptocrystalline silica</li> <li><a href="/wiki/Claystone" class="mw-redirect" title="Claystone">Claystone</a> – Clastic sedimentary rock composed primarily of clay-sized particles</li> <li><a href="/wiki/Coal" title="Coal">Coal</a> – Combustible sedimentary rock composed primarily of carbon</li> <li><a href="/wiki/Conglomerate_(geology)" title="Conglomerate (geology)">Conglomerate</a> – Sedimentary rock composed of smaller rock fragments</li> <li><a href="/wiki/Coquina" title="Coquina">Coquina</a> – Sedimentary rock that is composed mostly of fragments of shells</li> <li><a href="/wiki/Diamictite" title="Diamictite">Diamictite</a> – Type of sedimentary rock</li> <li><a href="/wiki/Diatomite" class="mw-redirect" title="Diatomite">Diatomite</a> – Soft, siliceous sedimentary rock that is easily crumbled</li> <li><a href="/wiki/Dolomite_(rock)" title="Dolomite (rock)">Dolomite (rock)</a>, also known as Dolostone – Sedimentary carbonate rock that contains a high percentage of the mineral dolomite</li> <li><a href="/wiki/Evaporite" title="Evaporite">Evaporite</a> – Water-soluble mineral deposit formed by evaporation from an aqueous solution</li> <li><a href="/wiki/Flint" title="Flint">Flint</a> – Cryptocrystalline form of the mineral quartz</li> <li><a href="/wiki/Geyserite" title="Geyserite">Geyserite</a> – Form of opaline silica often found around hot springs and geysers</li> <li><a href="/wiki/Greywacke" title="Greywacke">Greywacke</a> – Sandstone with angular grains in a clay-fine matrix</li> <li><a href="/wiki/Gritstone" title="Gritstone">Gritstone</a> – Hard, coarse-grained, siliceous sandstone</li> <li><a href="/wiki/Itacolumite" title="Itacolumite">Itacolumite</a> – Porous sandstone known for flexibility</li> <li><a href="/wiki/Jaspillite" title="Jaspillite">Jaspillite</a> – Banded mixture of hematite and quartz</li> <li><a href="/wiki/Laterite" title="Laterite">Laterite</a> – Product of rock weathering in wet tropical climates rich in iron and aluminium</li> <li><a href="/wiki/Lignite" title="Lignite">Lignite</a> – Soft, brown, combustible, sedimentary rock</li> <li><a href="/wiki/Limestone" title="Limestone">Limestone</a> – Type of sedimentary rock</li> <li><a href="/wiki/Marl" title="Marl">Marl</a> – Lime-rich mud or mudstone which contains variable amounts of clays and silt</li> <li><a href="/wiki/Mudstone" title="Mudstone">Mudstone</a> – Fine grained sedimentary rock whose original constituents were clays or muds</li> <li><a href="/wiki/Oil_shale" title="Oil shale">Oil shale</a> – Organic-rich fine-grained sedimentary rock containing kerogen</li> <li><a href="/wiki/Oolite" title="Oolite">Oolite</a> – Sedimentary rock formed from ooids</li> <li><a href="/wiki/Phosphorite" title="Phosphorite">Phosphorite</a> – Sedimentary rock containing large amounts of phosphate minerals – A non-detrital sedimentary rock that contains high amounts of <a href="/wiki/Phosphate_minerals" class="mw-redirect" title="Phosphate minerals">phosphate minerals</a></li> <li><a href="/wiki/Sandstone" title="Sandstone">Sandstone</a> – Type of sedimentary rock</li> <li><a href="/wiki/Shale" title="Shale">Shale</a> – Fine-grained, clastic sedimentary rock</li> <li><a href="/wiki/Siltstone" title="Siltstone">Siltstone</a> – Sedimentary rock which has a grain size in the silt range</li> <li><a href="/wiki/Sylvinite" title="Sylvinite">Sylvinite</a> – Sedimentary rock made of a mechanical mixture of sylvite and halite</li> <li><a href="/wiki/Tillite" class="mw-redirect" title="Tillite">Tillite</a> – Till which has been indurated or lithified by burial</li> <li><a href="/wiki/Travertine" title="Travertine">Travertine</a> – Form of limestone deposited by mineral springs</li> <li><a href="/wiki/Tufa" title="Tufa">Tufa</a> – Porous limestone rock formed when carbonate minerals precipitate out of ambient temperature water</li> <li><a href="/wiki/Turbidite" title="Turbidite">Turbidite</a> – Geologic deposit of a turbidity current</li> <li><a href="/wiki/Wackestone" title="Wackestone">Wackestone</a> – Mud-supported carbonate rock that contains greater than 10% grains</li></ul> <div class="mw-heading mw-heading2"><h2 id="Metamorphic_rocks">Metamorphic rocks</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_rock_types&action=edit&section=3" title="Edit section: Metamorphic rocks"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Metamorphic_rock" title="Metamorphic rock">Metamorphic rock</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:PhylliteUSGOV.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/PhylliteUSGOV.jpg/220px-PhylliteUSGOV.jpg" decoding="async" width="220" height="180" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/PhylliteUSGOV.jpg/330px-PhylliteUSGOV.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/f/fe/PhylliteUSGOV.jpg 2x" data-file-width="360" data-file-height="295" /></a><figcaption>Phyllite</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Skagit-gneiss-Cascades.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/69/Skagit-gneiss-Cascades.jpg/170px-Skagit-gneiss-Cascades.jpg" decoding="async" width="170" height="254" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/6/69/Skagit-gneiss-Cascades.jpg 1.5x" data-file-width="217" data-file-height="324" /></a><figcaption>Banded gneiss with a <a href="/wiki/Dike_(geology)" title="Dike (geology)">dike</a> of granite orthogneiss</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:MarbleUSGOV.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8d/MarbleUSGOV.jpg/220px-MarbleUSGOV.jpg" decoding="async" width="220" height="185" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8d/MarbleUSGOV.jpg/330px-MarbleUSGOV.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/8/8d/MarbleUSGOV.jpg 2x" data-file-width="360" data-file-height="303" /></a><figcaption>Marble</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Quartzite_2_jpg.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/be/Quartzite_2_jpg.jpg/220px-Quartzite_2_jpg.jpg" decoding="async" width="220" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/be/Quartzite_2_jpg.jpg/330px-Quartzite_2_jpg.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/b/be/Quartzite_2_jpg.jpg 2x" data-file-width="360" data-file-height="307" /></a><figcaption>Quartzite</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Schist.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Schist.jpg/170px-Schist.jpg" decoding="async" width="170" height="184" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Schist.jpg/255px-Schist.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Schist.jpg/340px-Schist.jpg 2x" data-file-width="1701" data-file-height="1845" /></a><figcaption>Manhattan Schist, from Southeastern New York</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:SlateUSGOV.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/af/SlateUSGOV.jpg/220px-SlateUSGOV.jpg" decoding="async" width="220" height="193" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/af/SlateUSGOV.jpg/330px-SlateUSGOV.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/a/af/SlateUSGOV.jpg 2x" data-file-width="360" data-file-height="316" /></a><figcaption>Slate</figcaption></figure> <ul><li><a href="/wiki/Anthracite" title="Anthracite">Anthracite</a> – Hard, compact variety of coal</li> <li><a href="/wiki/Amphibolite" title="Amphibolite">Amphibolite</a> – Metamorphic rock type</li> <li><a href="/wiki/Blueschist" title="Blueschist">Blueschist</a> – Type of metavolcanic rock</li> <li><a href="/wiki/Cataclasite" title="Cataclasite">Cataclasite</a> – Rock found at geological faults – A rock formed by faulting</li> <li><a href="/wiki/Eclogite" title="Eclogite">Eclogite</a> – Metamorphic rock formed under high pressure</li> <li><a href="/wiki/Gneiss" title="Gneiss">Gneiss</a> – Common high-grade metamorphic rock</li> <li><a href="/wiki/Granulite" title="Granulite">Granulite</a> – Class of high-grade medium to coarse grained metamorphic rocks</li> <li><a href="/wiki/Greenschist" title="Greenschist">Greenschist</a> – Metamorphic rock – A mafic metamorphic rock dominated by green amphiboles</li> <li><a href="/wiki/Hornfels" title="Hornfels">Hornfels</a> – Group of metamorphic rocks <ul><li><a href="/wiki/Calcflinta" title="Calcflinta">Calcflinta</a> – A type of hornfels found in the <a href="/wiki/Scottish_Highlands" title="Scottish Highlands">Scottish Highlands</a></li></ul></li> <li><a href="/wiki/Litchfieldite" title="Litchfieldite">Litchfieldite</a> – Nepheline syenite gneiss</li> <li><a href="/wiki/Marble" title="Marble">Marble</a> – Type of metamorphic rock – a metamorphosed limestone</li> <li><a href="/wiki/Migmatite" title="Migmatite">Migmatite</a> – Mixture of metamorphic rock and igneous rock</li> <li><a href="/wiki/Mylonite" title="Mylonite">Mylonite</a> – Metamorphic rock – A metamorphic rock formed by <a href="/wiki/Shear_(geology)" title="Shear (geology)">shearing</a></li> <li><a href="/wiki/Metapelite" class="mw-redirect" title="Metapelite">Metapelite</a> – Metamorphic rock<span style="display:none" class="category-annotation-with-redirected-description">Pages displaying short descriptions of redirect targets</span> – A metamorphic rock with a <a href="/wiki/Protolith" title="Protolith">protolith</a> of clay-rich (siltstone) sedimentary rock</li> <li>Metapsammite – A metamorphic rock with a <a href="/wiki/Protolith" title="Protolith">protolith</a> of quartz-rich (sandstone) sedimentary rock</li> <li><a href="/wiki/Phyllite" title="Phyllite">Phyllite</a> – Type of foliated metamorphic rock – A low grade metamorphic rock composed mostly of <a href="/wiki/Mica" title="Mica">micaceous</a> minerals</li> <li><a href="/wiki/Pseudotachylite" class="mw-redirect" title="Pseudotachylite">Pseudotachylite</a> – Glassy, or very fine-grained, rock type<span style="display:none" class="category-annotation-with-redirected-description">Pages displaying short descriptions of redirect targets</span> – A glass formed by melting within a <a href="/wiki/Fault_(geology)" title="Fault (geology)">fault</a> via friction</li> <li><a href="/wiki/Quartzite" title="Quartzite">Quartzite</a> – Hard, non-foliated metamorphic rock – A metamorphosed sandstone typically composed of >95% quartz</li> <li><a href="/wiki/Schist" title="Schist">Schist</a> – Easily split medium-grained metamorphic rock</li> <li><a href="/wiki/Serpentinite" title="Serpentinite">Serpentinite</a> – Rock formed by transformation of olivine</li> <li><a href="/wiki/Skarn" title="Skarn">Skarn</a> – Hard, coarse-grained, hydrothermally altered metamorphic rocks</li> <li><a href="/wiki/Slate" title="Slate">Slate</a> – Metamorphic rock - A low grade metamorphic rock formed from shale or silts</li> <li><a href="/wiki/Suevite" title="Suevite">Suevite</a> – Rock consisting partly of melted material formed during an impact event – A rock formed by <a href="/wiki/Partial_melting" title="Partial melting">partial melting</a> during a <a href="/wiki/Impact_event" title="Impact event">meteorite impact</a></li> <li><a href="/wiki/Talc_carbonate" title="Talc carbonate">Talc carbonate</a> – A metamorphosed ultramafic rock with <a href="/wiki/Talc" title="Talc">talc</a> as an essential constituent; similar to a <a href="/wiki/Serpentinite" title="Serpentinite">serpentinite</a> <ul><li><a href="/wiki/Soapstone" title="Soapstone">Soapstone</a> – Talc-bearing metamorphic rock – Essentially a talc <a href="/wiki/Schist" title="Schist">schist</a></li></ul></li> <li><a href="/wiki/Tectonite" title="Tectonite">Tectonite</a> – Rock type – A rock whose fabric reflects the history of its deformation</li> <li><a href="/wiki/Whiteschist" title="Whiteschist">Whiteschist</a> – Type of metamorphic rock – A high pressure metamorphic rock containing talc and <a href="/wiki/Kyanite" title="Kyanite">kyanite</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Specific_varieties">Specific varieties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_rock_types&action=edit&section=4" title="Edit section: Specific varieties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The following are terms for rocks that are not <a href="/wiki/Petrography" title="Petrography">petrographically</a> or genetically distinct but are defined according to various other criteria; most are specific classes of other rocks, or altered versions of existing rocks. Some archaic and vernacular terms for rocks are also included. </p> <ul><li><a href="/wiki/Adamellite" class="mw-redirect" title="Adamellite">Adamellite</a> – Type of igneous rock<span style="display:none" class="category-annotation-with-redirected-description">Pages displaying short descriptions of redirect targets</span> – A variety of <a href="/wiki/Quartz_monzonite" title="Quartz monzonite">quartz monzonite</a></li> <li><a href="/wiki/Appinite" title="Appinite">Appinite</a> – Type of igneous rock – A group of varieties of <a href="/wiki/Lamprophyre" title="Lamprophyre">lamprophyre</a>, mostly rich in <a href="/wiki/Hornblende" title="Hornblende">hornblende</a></li> <li><a href="/wiki/Aphanite" title="Aphanite">Aphanite</a> – Igneous rock composed of very small crystals invisible to the naked eye</li> <li><a href="/wiki/Borolanite" title="Borolanite">Borolanite</a> – Variety of nepheline syenite from Loch Borralan, Scotland – A variety of <a href="/wiki/Nepheline_syenite" title="Nepheline syenite">nepheline syenite</a> from Loch Borralan, Scotland</li> <li><a href="/wiki/Larvikite" title="Larvikite">Blue Granite</a> – Variety of monzonite, an igneous rock</li> <li><a href="/wiki/Epidosite" title="Epidosite">Epidosite</a> – Hydrothermally altered epidote- and quartz-bearing rock</li> <li><a href="/wiki/Felsite" title="Felsite">Felsite</a> – Very fine-grained volcanic rock that sometimes contains larger crystals</li> <li><a href="/wiki/Flint" title="Flint">Flint</a> – Cryptocrystalline form of the mineral quartz</li> <li><a href="/wiki/Ganister" title="Ganister">Ganister</a> – Hard, fine-grained quartzose sandstone, or orthoquartzite</li> <li><a href="/wiki/Gossan" title="Gossan">Gossan</a> – Intensely oxidized, weathered or decomposed rock</li> <li><a href="/wiki/Hyaloclastite" title="Hyaloclastite">Hyaloclastite</a> – Volcaniclastic accumulation or breccia</li> <li><a href="/wiki/Ijolite" title="Ijolite">Ijolite</a> – Igneous rock consisting essentially of nepheline and augite</li> <li><a href="/wiki/Jadeitite" title="Jadeitite">Jadeitite</a> – Metamorphic rock found in blueschist-grade metamorphic terranes</li> <li><a href="/wiki/Jasperoid" title="Jasperoid">Jasperoid</a> – A <a href="/wiki/Hematite" title="Hematite">hematite</a>-silica <a href="/wiki/Metasomatism" title="Metasomatism">metasomatite</a> analogous to a <a href="/wiki/Skarn" title="Skarn">skarn</a></li> <li><a href="/wiki/Kenyte" title="Kenyte">Kenyte</a> – Type of igneous rock - A variety of <a href="/wiki/Phonolite" title="Phonolite">phonolite</a>, first found on <a href="/wiki/Mount_Kenya" title="Mount Kenya">Mount Kenya</a></li> <li><a href="/wiki/Lapis_lazuli" title="Lapis lazuli">Lapis lazuli</a> – Metamorphic rock containing lazurite, prized for its intense blue color - A rock composed of <a href="/wiki/Lazurite" title="Lazurite">lazurite</a> and other minerals</li> <li><a href="/wiki/Larvikite" title="Larvikite">Larvikite</a> – Variety of monzonite, an igneous rock</li> <li><a href="/wiki/Litchfieldite" title="Litchfieldite">Litchfieldite</a> – A metamorphosed <a href="/wiki/Nepheline_syenite" title="Nepheline syenite">nepheline syenite</a> occurrence near Litchfield, Maine</li> <li><a href="/wiki/Llanite" title="Llanite">Llanite</a> – Type of mineral – A hypabyssal rhyolite with microcline and blue quartz phenocrysts from the Llano Uplift in Texas</li> <li><a href="/wiki/Luxullianite" title="Luxullianite">Luxullianite</a> – Rare type of granite</li> <li><a href="/wiki/Mangerite" title="Mangerite">Mangerite</a> – Plutonic intrusive igneous rock, that is essentially a hypersthene-bearing monzonite</li> <li>Minette – A variety of <a href="/wiki/Lamprophyre" title="Lamprophyre">lamprophyre</a></li> <li><a href="/wiki/Novaculite" title="Novaculite">Novaculite</a> – Type of rock – A type of <a href="/wiki/Chert" title="Chert">chert</a> found in <a href="/wiki/Oklahoma" title="Oklahoma">Oklahoma</a>, <a href="/wiki/Arkansas" title="Arkansas">Arkansas</a>, and <a href="/wiki/Texas" title="Texas">Texas</a></li> <li><a href="/wiki/Pietersite" title="Pietersite">Pietersite</a> – Commercial term for a variety of chalcedony</li> <li><a href="/wiki/Pyrolite" title="Pyrolite">Pyrolite</a> – theoretical rock making up the earth's upper mantle<span style="display:none" class="category-wikidata-fallback-annotation">Pages displaying wikidata descriptions as a fallback</span> – A chemical analogue considered to theoretically represent the Earth's <a href="/wiki/Upper_mantle_(Earth)" class="mw-redirect" title="Upper mantle (Earth)">upper mantle</a></li> <li><a href="/wiki/Rapakivi_granite" title="Rapakivi granite">Rapakivi granite</a> – Type of igneous rock in alkali feldspar</li> <li><a href="/wiki/Rhomb_porphyry" class="mw-redirect" title="Rhomb porphyry">Rhomb porphyry</a> – Textural form of igneous rock with large grained crystals in a fine matrix<span style="display:none" class="category-annotation-with-redirected-description">Pages displaying short descriptions of redirect targets</span> – A type of <a href="/wiki/Latite" title="Latite">latite</a> with <a href="/wiki/Euhedral" class="mw-redirect" title="Euhedral">euhedral</a> rhombic <a href="/wiki/Phenocrysts" class="mw-redirect" title="Phenocrysts">phenocrysts</a> of <a href="/wiki/Feldspar" title="Feldspar">feldspar</a></li> <li><a href="/wiki/Rodingite" title="Rodingite">Rodingite</a> – metamorphic rock<span style="display:none" class="category-wikidata-fallback-annotation">Pages displaying wikidata descriptions as a fallback</span> – A mafic rock <a href="/wiki/Metasomatism" title="Metasomatism">metasomatized</a> by <a href="/wiki/Serpentinite" title="Serpentinite">serpentinization</a> fluids</li> <li><a href="/wiki/Shonkinite" title="Shonkinite">Shonkinite</a> – Intrusive igneous rock – <a href="/w/index.php?title=Melitilic&action=edit&redlink=1" class="new" title="Melitilic (page does not exist)">melitilic</a> and <a href="/w/index.php?title=Kalsititic&action=edit&redlink=1" class="new" title="Kalsititic (page does not exist)">kalsititic</a> rocks</li> <li><a href="/wiki/Taconite" title="Taconite">Taconite</a> – Variety of iron-bearing sedimentary rock</li> <li><a href="/wiki/Tachylite" title="Tachylite">Tachylite</a> – Form of basaltic volcanic glass</li> <li><a href="/wiki/Teschenite" title="Teschenite">Teschenite</a> – Type of igneous rock – A silica undersaturated, <a href="/wiki/Analcime" title="Analcime">analcime</a> bearing <a href="/wiki/Gabbro" title="Gabbro">gabbro</a></li> <li><a href="/wiki/Theralite" title="Theralite">Theralite</a> – Igneous rock – A <a href="/wiki/Nepheline" title="Nepheline">nepheline</a> gabbro</li> <li><a href="/wiki/Unakite" title="Unakite">Unakite</a> – Multicoloured metamorphic rock – An altered granite</li> <li><a href="/wiki/Variolite" title="Variolite">Variolite</a> – Igneous rocks which contain varioles</li> <li><a href="/wiki/Lamprophyre" title="Lamprophyre">Vogesite</a> – Ultrapotassic igneous rocks – A variety of <a href="/wiki/Lamprophyre" title="Lamprophyre">lamprophyre</a></li> <li><a href="/wiki/Wad_(mineral)" title="Wad (mineral)">Wad (mineral)</a> – Porous secondary manganese oxyhydroxide – A rock rich in manganese oxide or manganese hydroxide</li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_rock_types&action=edit&section=5" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1259569809">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid 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srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/The_Earth_seen_from_Apollo_17_with_transparent_background.png/42px-The_Earth_seen_from_Apollo_17_with_transparent_background.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/43/The_Earth_seen_from_Apollo_17_with_transparent_background.png/56px-The_Earth_seen_from_Apollo_17_with_transparent_background.png 2x" data-file-width="2790" data-file-height="2776" /></span></span></span><span class="portalbox-link"><a href="/wiki/Portal:Earth_sciences" title="Portal:Earth sciences">Earth sciences portal</a></span></li></ul> <ul><li><a href="/wiki/List_of_minerals" title="List of minerals">List of minerals</a> – List of minerals with Wikipedia articles</li> <li><a href="/wiki/List_of_rocks_on_Mars" title="List of rocks on Mars">List of rocks on Mars</a> – Alphabetical list of named rocks and meteorites found on Mars</li> <li><a href="/wiki/Rock_cycle" title="Rock cycle">Rock cycle</a> – Transitional concept of geologic time</li> <li><a href="/wiki/List_of_rock_formations" title="List of rock formations">List of rock formations</a>: for a list of unusual or culturally significant rock outcrops</li> <li><a href="/wiki/Leaverite" title="Leaverite">Leaverite</a> – Rock in the field that looks interesting but is actually not</li></ul> <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=List_of_rock_types&action=edit&section=6" 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"><ol class="references"> <li id="cite_note-BGS_Rock_Classification_Scheme_-_Igneous_-_Metamorphic_-_Sedimentary_-_Superficial-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-BGS_Rock_Classification_Scheme_-_Igneous_-_Metamorphic_-_Sedimentary_-_Superficial_1-0">^</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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bgs.ac.uk/bgsrcs/details.html">"BGS Rock Classification Scheme - Igneous - Metamorphic - Sedimentary - Superficial"</a>. <i>British Geological Survey (BGS)</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2019-05-28</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=British+Geological+Survey+%28BGS%29&rft.atitle=BGS+Rock+Classification+Scheme+-+Igneous+-+Metamorphic+-+Sedimentary+-+Superficial&rft_id=https%3A%2F%2Fwww.bgs.ac.uk%2Fbgsrcs%2Fdetails.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+rock+types" class="Z3988"></span></span> </li> </ol></div></div> <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=List_of_rock_types&action=edit&section=7" 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://www.bgs.ac.uk/bgsrcs/details.html">British Geological Survey rock classification scheme</a></li> <li><a rel="nofollow" class="external text" href="http://csmres.jmu.edu/geollab/Fichter/IgnRx/Ighome.html">Igneous rock classification</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20050829202357/http://csmres.jmu.edu/geollab/Fichter/IgnRx/Ighome.html">Archived</a> 2005-08-29 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li> <li><a rel="nofollow" class="external text" href="https://www.britannica.com/EBchecked/topic/505970/rock">Rock Types Article by Encyclopædia Britannica</a></li> <li><a rel="nofollow" class="external text" href="http://www.seafriends.org.nz/enviro/soil/rocktbl.htm">Classification of common rocks and soils</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20051214134842/http://geology.csupomona.edu/alert/metamorphic/metaclass.htm">Metamorphic Rock Classification</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20091214164707/http://volcano.oregonstate.edu/vwdocs/vwlessons/volcanic_rocks.html">Volcanic rocks</a></li> <li><a rel="nofollow" class="external text" href="http://www.earthscienceeducation.com/virtual_rock_kit/index.htm">Earth Science Education Unit virtual rock kit</a></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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