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data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Occurrence" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Occurrence"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Occurrence</span> </div> </a> <ul id="toc-Occurrence-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Petrology" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Petrology"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Petrology</span> </div> </a> <ul id="toc-Petrology-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Origin" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Origin"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Origin</span> </div> </a> <ul id="toc-Origin-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Economy" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Economy"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Economy</span> </div> </a> <ul id="toc-Economy-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Occurrences_of_nepheline_syenite_gneisses_in_Brazil" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Occurrences_of_nepheline_syenite_gneisses_in_Brazil"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Occurrences of nepheline syenite gneisses in Brazil</span> </div> </a> <button aria-controls="toc-Occurrences_of_nepheline_syenite_gneisses_in_Brazil-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Occurrences of nepheline syenite gneisses in Brazil subsection</span> </button> <ul id="toc-Occurrences_of_nepheline_syenite_gneisses_in_Brazil-sublist" class="vector-toc-list"> <li id="toc-Boca_Nova" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Boca_Nova"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Boca Nova</span> </div> </a> <ul id="toc-Boca_Nova-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Canaã" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Canaã"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>Canaã</span> </div> </a> <ul id="toc-Canaã-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tocantins_nepheline_syenite_gneiss_belt" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Tocantins_nepheline_syenite_gneiss_belt"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.3</span> <span>Tocantins nepheline syenite gneiss belt</span> </div> </a> <ul id="toc-Tocantins_nepheline_syenite_gneiss_belt-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Alkaline_Rocks_Province_of_South_Bahia" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Alkaline_Rocks_Province_of_South_Bahia"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.4</span> <span>Alkaline Rocks Province of South Bahia</span> </div> </a> <ul id="toc-Alkaline_Rocks_Province_of_South_Bahia-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-References" 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class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Litchfieldite2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Litchfieldite2.jpg/220px-Litchfieldite2.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Litchfieldite2.jpg/330px-Litchfieldite2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Litchfieldite2.jpg/440px-Litchfieldite2.jpg 2x" data-file-width="2592" data-file-height="1944" /></a><figcaption>Litchfieldite (nepheline syenite gneiss) from Canaã Massif, Brazil</figcaption></figure> <p><b>Litchfieldite</b> is a rare <a href="/wiki/Igneous_rock" title="Igneous rock">igneous rock</a>. It is a coarse-grained, <a href="/wiki/Foliation_(geology)" title="Foliation (geology)">foliated</a> variety of <a href="/wiki/Nepheline_syenite" title="Nepheline syenite">nepheline syenite</a>,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> sometimes called nepheline syenite <a href="/wiki/Gneiss" title="Gneiss">gneiss</a> or gneissic nepeheline syenite.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Litchfieldite is composed of two varieties of <a href="/wiki/Feldspar" title="Feldspar">feldspar</a> (mostly <a href="/wiki/Albite" title="Albite">albite</a> but also some <a href="/wiki/Microcline" title="Microcline">microcline</a>), with <a href="/wiki/Nepheline" title="Nepheline">nepheline</a>, <a href="/wiki/Sodalite" title="Sodalite">sodalite</a>, <a href="/wiki/Cancrinite" title="Cancrinite">cancrinite</a> and <a href="/wiki/Calcite" title="Calcite">calcite</a>. The <a href="/wiki/Mafic" title="Mafic">mafic</a> minerals, when present, are <a href="/wiki/Magnetite" title="Magnetite">magnetite</a> and an iron-rich variety of <a href="/wiki/Biotite" title="Biotite">biotite</a> (<a href="/wiki/Lepidomelane" class="mw-redirect" title="Lepidomelane">lepidomelane</a>). </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Occurrence">Occurrence</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Litchfieldite&action=edit&section=1" title="Edit section: Occurrence"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The rock was named after its occurrence at <a href="/wiki/Litchfield,_Maine" title="Litchfield, Maine">Litchfield</a>, <a href="/wiki/Maine" title="Maine">Maine</a>, USA, by Bayley in 1892.<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><sup id="cite_ref-Petrography_4-0" class="reference"><a href="#cite_note-Petrography-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>It is a very rare rock and also occurs in Blue Mountain and French River, <a href="/wiki/Canada" title="Canada">Canada</a>;<sup id="cite_ref-Petrography_4-1" class="reference"><a href="#cite_note-Petrography-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Soroy and Val River, <a href="/wiki/Norway" title="Norway">Norway</a>; Cevadais, <a href="/wiki/Portugal" title="Portugal">Portugal</a>; <a href="/wiki/Cana%C3%A3" title="Canaã">Canaã</a>,<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> Boca Nova, Itajú da Colonia and Peixes, <a href="/wiki/Brazil" title="Brazil">Brazil</a>. </p> <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=Litchfieldite&action=edit&section=2" title="Edit section: Petrology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-Unreferenced plainlinks metadata ambox ambox-content ambox-Unreferenced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>does not <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">cite</a> any <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">sources</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Litchfieldite" title="Special:EditPage/Litchfieldite">improve this section</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Litchfieldite%22">"Litchfieldite"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Litchfieldite%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Litchfieldite%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Litchfieldite%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Litchfieldite%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Litchfieldite%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">July 2011</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>Besides the mineral composition litchfieldites are characterized by one or more of the following structures: </p> <ul><li>A <a href="/wiki/Gneiss" title="Gneiss">gneissic</a> appearance due to the alternation of leucocratic and mafic bearing mineral bands;</li> <li>A <a href="/wiki/Foliation" title="Foliation">foliated</a> appearance, due to preferred orientation of platey minerals like lepidomelane biotite,</li> <li>Parallel orientation of the <a href="/wiki/Optical_axis" title="Optical axis">optical axis</a> of minerals like nepheline.</li> <li>Occurrence within zoned bodies, enveloped by amphibole bearing syenites and quartz-syenites rocks,</li> <li>Broken and/or bent <a href="/wiki/Crystal_twinning" title="Crystal twinning">twin</a> lamellae in plagioclase (albite),</li> <li>Mortar structure,</li> <li>Biotite with kink banding structure and bent cleavage planes,</li> <li>Occurrence as large boudin or scattered blocks at the surface,</li> <li>Occurrence within <a href="/wiki/Metamorphism" title="Metamorphism">metamorphic</a> belt as elongated bodies parallel to the regional structures,</li> <li>Isotopic age according to the regional metamorphism</li></ul> <div class="mw-heading mw-heading2"><h2 id="Origin">Origin</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Litchfieldite&action=edit&section=3" title="Edit section: Origin"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-Unreferenced plainlinks metadata ambox ambox-content ambox-Unreferenced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>does not <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">cite</a> any <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">sources</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Litchfieldite" title="Special:EditPage/Litchfieldite">improve this section</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Litchfieldite%22">"Litchfieldite"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Litchfieldite%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Litchfieldite%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Litchfieldite%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Litchfieldite%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Litchfieldite%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">July 2011</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>There are two hypotheses for the origin of these rocks: </p> <dl><dd>1) A pre-tectonic magmatic nepheline syenite</dd> <dd>2) A <a href="/wiki/Orogeny" title="Orogeny">synorogenic</a> intrusion of nepheline syenite</dd></dl> <p>Both schools of thought are in accordance that rocks like litchfieldite owe their mineral and structural characteristics to the metamorphism. </p> <div class="mw-heading mw-heading2"><h2 id="Economy">Economy</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Litchfieldite&action=edit&section=4" title="Edit section: Economy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-Unreferenced plainlinks metadata ambox ambox-content ambox-Unreferenced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>does not <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">cite</a> any <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">sources</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Litchfieldite" title="Special:EditPage/Litchfieldite">improve this section</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Litchfieldite%22">"Litchfieldite"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Litchfieldite%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Litchfieldite%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Litchfieldite%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Litchfieldite%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Litchfieldite%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">July 2011</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>Due to the content of alkali elements and alumina, they are very important ore for the glass industry. The iron-bearing minerals when present are strongly magnetic and can be removed through a magnetic field. </p> <div class="mw-heading mw-heading2"><h2 id="Occurrences_of_nepheline_syenite_gneisses_in_Brazil">Occurrences of nepheline syenite gneisses in Brazil</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Litchfieldite&action=edit&section=5" title="Edit section: Occurrences of nepheline syenite gneisses in Brazil"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-Unreferenced plainlinks metadata ambox ambox-content ambox-Unreferenced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>does not <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">cite</a> any <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">sources</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Litchfieldite" title="Special:EditPage/Litchfieldite">improve this section</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Litchfieldite%22">"Litchfieldite"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Litchfieldite%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Litchfieldite%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Litchfieldite%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Litchfieldite%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Litchfieldite%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">July 2011</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Boca_Nova">Boca Nova</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Litchfieldite&action=edit&section=6" title="Edit section: Boca Nova"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Location: Pará State</li> <li>Age and determination method <ul><li><a href="/wiki/Country_rock_(geology)" title="Country rock (geology)">Country rock</a> last metamorphism age: 900 to 600 my (Brazilian cycle)</li> <li>Nepheline syenite rocks: 580+/-10 my- K-Ar, biotite; 724 +/- 30 my- Rb-Sr, whole-rock</li></ul></li> <li>Rocks and minerals presents (between parenthesis when accessory) <ul><li>Alkaline rocks <ul><li><a href="/wiki/Nepheline_syenite" title="Nepheline syenite">nepheline syenite</a> gneiss (mainly litchfieldite): nepheline, albite, microcline, perthite, dark green biotite, (calcite), (white mica), (zircon), (pyrochlore), (cancrinite), (sodalite), (opaque minerals)</li> <li>Pegmatites-the same mineralogical composition but poorer in biotite.</li></ul></li> <li>Country rocks: <a href="/wiki/Phyllite" title="Phyllite">Phyllite</a>, <a href="/wiki/Schist" title="Schist">schist</a> with subordinated <a href="/wiki/Granite" title="Granite">granite</a></li></ul></li> <li>Metamorphic grade of country rock: High <a href="/wiki/Greenschist_facies" class="mw-redirect" title="Greenschist facies">greenschist facies</a> to medium <a href="/wiki/Amphibolite_facies" class="mw-redirect" title="Amphibolite facies">amphibolite facies</a></li> <li>Geometry of the alkaline body :Boulders scattered. Geophysical dates suggests elongated bodies parallel to the regional structures.</li> <li>Textures and structures presents in alkaline rocks: Gneissose appearance; folded foliation; foliation parallel to the country rocks; preferential orientation of biotites parallel to the gneissic band; pegmatites veins with pinch and swell structure parallel and cross cutting the foliation; biotite crystal with kink banding structure; <a href="/wiki/Plagioclase" title="Plagioclase">plagioclase</a> with bent twin lamella; <a href="/wiki/Feldspar" title="Feldspar">feldspar</a> with peristherite; oriented optical axis in nephelines;</li> <li>Proposed origin: metamorphism of igneous nepheline syenite</li></ul> <div class="mw-heading mw-heading3"><h3 id="Canaã"><span id="Cana.C3.A3"></span>Canaã</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Litchfieldite&action=edit&section=7" title="Edit section: Canaã"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Localization: Rio de Janeiro State</li> <li>Age and determination method <ul><li>Country rocks last metamorphism age: 900 to 600 my (Brazilian cycle)</li> <li>Nepheline syenite rocks: 542 +/-14 my Rb-Sr whole rock; 424 +/- 13 my K-Ar in biotite.</li></ul></li> <li>Rocks and minerals (between parenthesis when accessory): <ul><li>Alkaline rocks: <ul><li>Litchfieldites: Albite (An=5%), microcline, nepheline, cancrinite, lepidomelane, magnetite, (zircon), (allanite), (corundum), (sodalite)</li> <li>Alkali syenite: microcline perthite, quartz, pyroxene, brown biotite, (amphibole), (titanite), (apatite), (zircon), (muscovite), (corundum), (molybdenite), (opaques)</li> <li>Nepheline bearing pegmatite vein, parallel and cross cutting the foliation of litchfieldite: Feldspar, nepheline, (magnetite), (biotite), (muscovite), (sodalite), (sulfides), (calcite).</li> <li>Syenite pegmatite: feldspar, corundum, muscovite, (biotite), (blue corundum), (sulfides)</li></ul></li> <li>Country rocks: Biotite-sillimanite-gneiss, amphibolites, <a href="/wiki/Migmatites" class="mw-redirect" title="Migmatites">migmatites</a>, (granite).</li></ul></li> <li>Metamorphic grade of country rock: high anphibolite facies</li> <li>Geometry of the alkaline body: elongated and concordant bodies</li> <li>Textures and structures presents in alkaline rocks: gneissose appearance, parallel to the country rock foliation; oriented biotite and feldspar; plagioclase with bent twin lamella; kink-banding biotite; oriented optical axis in nephelines; zoned bodies-litchfieldite in center and syenites surrounding.</li> <li>Proposed origin: metamorphism of igneous nepheline syenite.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Tocantins_nepheline_syenite_gneiss_belt">Tocantins nepheline syenite gneiss belt</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Litchfieldite&action=edit&section=8" title="Edit section: Tocantins nepheline syenite gneiss belt"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>(Estrela, Eldorado, Porto Nacional, Peixe) </p> <ul><li>Localization: Tocantins State</li> <li>Age and determination method: <ul><li>Country rocks last metamorphism age: 900 to 600 my (Brazilian cycle)</li> <li>Nepheline syenite rocks: 1,5 Gy</li></ul></li> <li>Rocks and minerals (between parenthesis when accessory): <ul><li>Alkaline rocks: <ul><li>Litchfieldite: nepheline, microcline, albite, amphibole, pyroxene, (<a href="/wiki/Molybdenite" title="Molybdenite">molybdenite</a>), (<a href="/wiki/Garnet" title="Garnet">garnet</a>), (<a href="/wiki/Titanite" title="Titanite">titanite</a>), (<a href="/wiki/Pyrochlore" title="Pyrochlore">pyrochlore</a>), (corundum), (sodalite).</li> <li>Syenite and quartz-syenites:</li> <li>Alkaline <a href="/wiki/Pegmatite" title="Pegmatite">pegmatites</a>: albite, nepheline, pyroxene, magnetite, zircon, (<a href="/wiki/Pyrochlore" title="Pyrochlore">pyrochlore</a>), (<a href="/wiki/Monazite" title="Monazite">monazite</a>), (<a href="/wiki/Allanite" title="Allanite">allanite</a>), (<a href="/wiki/Corundum" title="Corundum">corundum</a>).</li></ul></li> <li>Country rocks: granitic gneisses, amphibolites</li></ul></li> <li>Metamorphic grade of country rock: high amphibolite</li> <li>Geometry of the alkaline body: A belt of elongated zoned bodies parallel to the regional structures.</li> <li>Textures and structures presents in alkaline rocks: gneissose appearance, foliation, preferred orientation of biotite crystals, faults, boudinage, plagioclase with bent twin lamella; feldspar with peristherite, plagioclase with undulose extinction.</li> <li>Proposed origin: Metamorphism and metasomatism of igneous nepheline syenite rocks.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Alkaline_Rocks_Province_of_South_Bahia">Alkaline Rocks Province of South Bahia</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Litchfieldite&action=edit&section=9" title="Edit section: Alkaline Rocks Province of South Bahia"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>(Itaju da Colonia, Santa Cruz da Vitória, Potiriguá, Itabuna) </p> <ul><li>Localization: Bahia State</li> <li>Age and determination method: <ul><li>Country rocks last metamorphism age: 900 to 600 my (Brazilian cycle)</li> <li>Nepheline syenite rocks: 732 +/- 8 my, U-Pb, titanite</li></ul></li> <li>Rocks and minerals (between parenthesis when accessory): <ul><li>Alcalines rocks: <ul><li>Litchfieldite: albite, microcline, nepheline, dark green biotite, brown biotite, (pyroxene), (amphibole), (cancrinite), (sodalite)</li> <li>Tawite: albite, microcline, sodalite, (nepheline)</li> <li>Syenite</li> <li>Alkaline pegmatites</li></ul></li> <li>Country rocks: granitic gneiss, migmatite, granulite</li></ul></li> <li>Metamorphic grade of country rock: High amphibolite facies</li> <li>Geometry of the alkaline body: elongated bodies parallel to regional structures.</li> <li>Textures and structures present in alkaline rocks: elongated and oriented cluster (schlieren) of mafic minerals, plagioclase with bent and broken twin lamella, biotite and muscovite orientation (foliation), mortar structures, kink-banding in biotite</li> <li>Proposed origin: Metamorphic synorogenic alkaline rocks.</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=Litchfieldite&action=edit&section=10" 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-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text">Le Maitre, R.W. (2002) <i>Igneous Rocks - A Classification and Glossary of Terms</i>, 2nd edition, Cambridge, Cambridge University Press, page 105. <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><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-521-66215-X" title="Special:BookSources/0-521-66215-X">0-521-66215-X</a></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">Robins, B. and Tysseland, M. (1979) <a rel="nofollow" class="external text" href="http://www.geologi.no/images/njg/1975-1979/1979/1/NGT_59_1_001-023.pdf"><i>Fenitization of some mafic igneous rocks in the Seiland province, northern Norway</i></a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20150924021711/http://www.geologi.no/images/njg/1975-1979/1979/1/NGT_59_1_001-023.pdf">Archived</a> 2015-09-24 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, Norsk Geologisk Tidsskrift, Volume 59 Number 1 pages 1-23, page 3. Retrieved 2015-07-20.</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"><a rel="nofollow" class="external text" href="http://www.maine.gov/doc/nrimc/mgs/explore/minerals/sites/dec05.htm">Litchfieldite and the Litchfield Sodalite Locality, Maine Geological Survey</a></span> </li> <li id="cite_note-Petrography-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-Petrography_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Petrography_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Williams, Howel, Francis J. Turner and Charles M. Gilbert, <i>Petrography,</i> Freeman, 1954, p. 117</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"> <i>Industrial Minerals & Rocks,</i> Society for Mining, Metallurgy, and Exploration; 7th ed. 2006, p. 661 <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/978-0-87335-233-8" title="Special:BookSources/978-0-87335-233-8">978-0-87335-233-8</a> </span> </li> </ol></div></div> <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 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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_rocks" 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/Andesite" title="Andesite">Andesite</a></li> <li><a href="/wiki/Alkali_feldspar_granite" title="Alkali feldspar granite">Alkali feldspar granite</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 href="/wiki/Lamprophyre" title="Lamprophyre">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 class="mw-selflink selflink">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 class="mw-selflink selflink">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?type=1x1" 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=Litchfieldite&oldid=1144562269">https://en.wikipedia.org/w/index.php?title=Litchfieldite&oldid=1144562269</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">Category</a>: <ul><li><a href="/wiki/Category:Plutonic_rocks" title="Category:Plutonic rocks">Plutonic rocks</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Webarchive_template_wayback_links" title="Category:Webarchive template wayback links">Webarchive template wayback links</a></li><li><a href="/wiki/Category:Articles_needing_additional_references_from_July_2011" title="Category:Articles needing additional references from July 2011">Articles needing additional references from July 2011</a></li><li><a href="/wiki/Category:All_articles_needing_additional_references" title="Category:All articles needing additional references">All articles needing additional references</a></li></ul></div></div> </div> </main> </div> <div 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