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Available in 27 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-27" 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">27 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Vulkaanslak" title="Vulkaanslak – Afrikaans" lang="af" hreflang="af" data-title="Vulkaanslak" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B3%D9%83%D9%88%D8%B1%D9%8A%D8%A7" title="سكوريا – Arabic" lang="ar" hreflang="ar" data-title="سكوريا" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Esc%C3%B2ria_volc%C3%A0nica" title="Escòria volcànica – Catalan" lang="ca" hreflang="ca" data-title="Escòria volcànica" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Scoria" title="Scoria – Danish" lang="da" hreflang="da" data-title="Scoria" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A3%CE%BA%CF%89%CF%81%CE%AF%CE%B1" title="Σκωρία – Greek" lang="el" hreflang="el" data-title="Σκωρία" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Escoria_volc%C3%A1nica" title="Escoria volcánica – Spanish" lang="es" hreflang="es" data-title="Escoria volcánica" 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/Fandskorio" title="Fandskorio – Esperanto" lang="eo" hreflang="eo" data-title="Fandskorio" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D9%81%D8%A7%D9%84%D9%87_%D9%85%D8%B9%D8%AF%D9%86%DB%8C" title="تفاله معدنی – Persian" lang="fa" hreflang="fa" data-title="تفاله معدنی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Scorie" title="Scorie – French" lang="fr" hreflang="fr" data-title="Scorie" 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%8A%A4%EC%BD%94%EB%A6%AC%EC%95%84" title="스코리아 – Korean" lang="ko" hreflang="ko" data-title="스코리아" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Skoria" title="Skoria – Indonesian" lang="id" hreflang="id" data-title="Skoria" 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-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Gjall" title="Gjall – Icelandic" lang="is" hreflang="is" data-title="Gjall" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Scoria" title="Scoria – Italian" lang="it" hreflang="it" data-title="Scoria" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A1%D7%A7%D7%95%D7%A8%D7%99%D7%94" title="סקוריה – Hebrew" lang="he" hreflang="he" data-title="סקוריה" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Scoria" title="Scoria – Malay" lang="ms" hreflang="ms" data-title="Scoria" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Scoria" title="Scoria – Dutch" lang="nl" hreflang="nl" data-title="Scoria" 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/%E3%82%B9%E3%82%B3%E3%83%AA%E3%82%A2" title="スコリア – Japanese" lang="ja" hreflang="ja" data-title="スコリア" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Scoria" title="Scoria – Polish" lang="pl" hreflang="pl" data-title="Scoria" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Scorcia_(scoria)" title="Scorcia (scoria) – Sicilian" lang="scn" hreflang="scn" data-title="Scorcia (scoria)" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Skorija" title="Skorija – Slovenian" lang="sl" hreflang="sl" data-title="Skorija" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Vulkaaninen_kuona" title="Vulkaaninen kuona – Finnish" lang="fi" hreflang="fi" data-title="Vulkaaninen kuona" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Scoria" title="Scoria – Swedish" lang="sv" hreflang="sv" data-title="Scoria" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AB%E0%B8%B4%E0%B8%99%E0%B8%AA%E0%B8%84%E0%B8%AD%E0%B9%80%E0%B8%A3%E0%B8%B5%E0%B8%A2" title="หินสคอเรีย – Thai" lang="th" hreflang="th" data-title="หินสคอเรีย" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Skorya" title="Skorya – Turkish" lang="tr" hreflang="tr" data-title="Skorya" 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%92%D1%83%D0%BB%D0%BA%D0%B0%D0%BD%D1%96%D1%87%D0%BD%D0%B8%D0%B9_%D1%88%D0%BB%D0%B0%D0%BA" title="Вулканічний шлак – Ukrainian" lang="uk" hreflang="uk" data-title="Вулканічний шлак" 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/Scoria_(%C4%91%C3%A1)" title="Scoria (đá) – Vietnamese" lang="vi" hreflang="vi" data-title="Scoria (đá)" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%81%AB%E5%B1%B1%E6%B8%A3" title="火山渣 – Chinese" lang="zh" hreflang="zh" data-title="火山渣" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q6642389#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> 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.ambox{display:none!important}}</style><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" 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 article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Scoria" title="Special:EditPage/Scoria">improve this article</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 removed.<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=%22Scoria%22">"Scoria"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Scoria%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Scoria%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=%22Scoria%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Scoria%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Scoria%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">September 2010</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> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Scoria_Macro_Digon3.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/18/Scoria_Macro_Digon3.jpg/220px-Scoria_Macro_Digon3.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/18/Scoria_Macro_Digon3.jpg/330px-Scoria_Macro_Digon3.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/18/Scoria_Macro_Digon3.jpg/440px-Scoria_Macro_Digon3.jpg 2x" data-file-width="3000" data-file-height="2000" /></a><figcaption>Scoria</figcaption></figure> <p><b>Scoria</b> is a <a href="/wiki/Pyroclastic_rock" title="Pyroclastic rock">pyroclastic</a>, highly <a href="/wiki/Vesicular_texture" title="Vesicular texture">vesicular</a>, dark-colored <a href="/wiki/Volcanic_rock" title="Volcanic rock">volcanic rock</a> formed by ejection from a <a href="/wiki/Volcano" title="Volcano">volcano</a> as a molten blob and cooled in the air to form discrete grains called <a href="/wiki/Clast" class="mw-redirect" title="Clast">clasts</a>.<sup id="cite_ref-FisherOthers1984a_1-0" class="reference"><a href="#cite_note-FisherOthers1984a-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-NeuendorfOthers2005a_2-0" class="reference"><a href="#cite_note-NeuendorfOthers2005a-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> It is typically dark in color (brown, black or purplish-red), and <a href="/wiki/Basalt" title="Basalt">basaltic</a> or <a href="/wiki/Andesite" title="Andesite">andesitic</a> in composition. Scoria has relatively low <a href="/wiki/Density" title="Density">density</a>, as it is riddled with macroscopic ellipsoidal vesicles (gas bubbles), but in contrast to <a href="/wiki/Pumice" title="Pumice">pumice</a>, scoria always has a <a href="/wiki/Specific_gravity" class="mw-redirect" title="Specific gravity">specific gravity</a> greater than 1 and sinks in water. </p><p>Scoria may form as part of a lava flow, typically near its surface, or as fragmental ejecta (<a href="/wiki/Lapilli" title="Lapilli">lapilli</a>, blocks, and bombs), for instance in <a href="/wiki/Strombolian_eruption" title="Strombolian eruption">Strombolian eruptions</a> that form steep-sided <a href="/wiki/Cinder_cone" title="Cinder cone">scoria cones</a>, also called <a href="/wiki/Cinder_cone" title="Cinder cone">cinder cones</a>.<sup id="cite_ref-FisherOthers1984a_1-1" class="reference"><a href="#cite_note-FisherOthers1984a-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Scoria's holes or vesicles form when gases dissolved in the original <a href="/wiki/Magma" title="Magma">magma</a> come out of solution as it erupts, creating bubbles in the molten rock, some of which are frozen in place as the rock cools and solidifies. Most scoria is composed of glassy fragments and may contain <a href="/wiki/Phenocrysts" class="mw-redirect" title="Phenocrysts">phenocrysts</a>. A sample from <a href="/wiki/Yemen" title="Yemen">Yemen</a> was mainly composed of <a href="/wiki/Volcanic_glass" title="Volcanic glass">volcanic glass</a> with a few <a href="/wiki/Zeolites" class="mw-redirect" title="Zeolites">zeolites</a> (e.g., <a href="/wiki/Clinoptilolite" title="Clinoptilolite">clinoptilolite</a>).<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> </p><p>The <a href="/wiki/Geology" title="Geology">geological</a> term <b>cinder</b> is synonymous and interchangeable with <i>scoria</i>, though <i>scoria</i> is preferred in scientific literature.<sup id="cite_ref-NeuendorfOthers2005a_2-1" class="reference"><a href="#cite_note-NeuendorfOthers2005a-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-McPhieOthers1993a_4-0" class="reference"><a href="#cite_note-McPhieOthers1993a-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The word comes from <a href="/wiki/Greek_language" title="Greek language">Greek</a> σκωρία, <i>skōria</i>, rust. In earlier terminology, scoria was usually defined with a size range, e.g. 2 to 24 mm (0.079 to 0.945 in) in diameter, but neither color nor composition was typically a part of the definition.<sup id="cite_ref-StokeOthers1955a_5-0" class="reference"><a href="#cite_note-StokeOthers1955a-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Wentworth1953a_6-0" class="reference"><a href="#cite_note-Wentworth1953a-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> During the 1980s, the size range disappeared from the definition, and a requirement was added that scoria be black or reddish in color and/or mafic in composition.<sup id="cite_ref-FisherOthers1984a_1-2" class="reference"><a href="#cite_note-FisherOthers1984a-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Comparisons">Comparisons</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scoria&action=edit&section=1" title="Edit section: Comparisons"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Scoria differs from <a href="/wiki/Pumice" title="Pumice">pumice</a>, another vesicular volcanic rock, in having larger vesicles and thicker vesicle walls, and hence is denser. The difference is probably the result of lower magma viscosity, allowing rapid volatile diffusion, bubble growth, coalescence, and bursting. </p> <div class="mw-heading mw-heading2"><h2 id="Formation">Formation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scoria&action=edit&section=2" title="Edit section: Formation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Pine_trees_growing_on_the_slope_of_Cinder_Cone.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/Pine_trees_growing_on_the_slope_of_Cinder_Cone.jpg/220px-Pine_trees_growing_on_the_slope_of_Cinder_Cone.jpg" decoding="async" width="220" height="157" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/Pine_trees_growing_on_the_slope_of_Cinder_Cone.jpg/330px-Pine_trees_growing_on_the_slope_of_Cinder_Cone.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/61/Pine_trees_growing_on_the_slope_of_Cinder_Cone.jpg/440px-Pine_trees_growing_on_the_slope_of_Cinder_Cone.jpg 2x" data-file-width="4046" data-file-height="2890" /></a><figcaption>Pine trees growing on the slope of Cinder Cone, a volcanic cone of scoria in <a href="/wiki/Lassen_Volcanic_National_Park" title="Lassen Volcanic National Park">Lassen Volcanic National Park</a>, California</figcaption></figure> <p>As rising magma encounters lower pressures, dissolved gases are able to <a href="https://en.wiktionary.org/wiki/exsolve" class="extiw" title="wikt:exsolve">exsolve</a> and form vesicles. Some of the vesicles are trapped when the magma chills and solidifies. Vesicles are usually small, spheroidal and do not impinge upon one another; instead, they open into one another with minimal distortion. </p><p><a href="/wiki/Volcanic_cone" title="Volcanic cone">Volcanic cones</a> of scoria can be left behind after eruptions, usually forming mountains with a crater at the summit. An example is <a href="/wiki/Maungarei" title="Maungarei">Maungarei</a> in <a href="/wiki/Auckland" title="Auckland">Auckland</a>, <a href="/wiki/New_Zealand" title="New Zealand">New Zealand</a>, which like <a href="/wiki/Te_Tatua-a-Riukiuta" class="mw-redirect" title="Te Tatua-a-Riukiuta">Te Tatua-a-Riukiuta</a> in the south of the same city has been extensively quarried. Quincan, a unique variety of scoria, is quarried at <a href="/wiki/Mount_Quincan" title="Mount Quincan">Mount Quincan</a> in <a href="/wiki/Far_North_Queensland" title="Far North Queensland">Far North Queensland</a>, <a href="/wiki/Australia" title="Australia">Australia</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Uses">Uses</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scoria&action=edit&section=3" title="Edit section: Uses"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Ahu_Tahai.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c8/Ahu_Tahai.jpg/150px-Ahu_Tahai.jpg" decoding="async" width="150" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c8/Ahu_Tahai.jpg/225px-Ahu_Tahai.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c8/Ahu_Tahai.jpg/300px-Ahu_Tahai.jpg 2x" data-file-width="1704" data-file-height="2272" /></a><figcaption><a href="/wiki/Tuff" title="Tuff">Tuff</a> <a href="/wiki/Moai" title="Moai">moai</a> with red scoria <a href="/wiki/Pukao" title="Pukao">pukao</a> on its head.</figcaption></figure><p>Scoria is used for a variety of purposes. It is commonly mined for use as loose <a href="/wiki/Construction_aggregate" title="Construction aggregate">construction aggregate</a> in <a href="/wiki/Europe" title="Europe">Europe</a>, the <a href="/wiki/Southwestern_United_States" title="Southwestern United States">Southwestern United States</a>, and <a href="/wiki/Japan" title="Japan">Japan</a>. Another major use of cinders is in manufacture of concrete and <a href="/wiki/Cinder_block" class="mw-redirect" title="Cinder block">cinder blocks</a>. </p><p>Scoria is also used in the construction of flexible, long-lasting <a href="/wiki/Roadbed" class="mw-redirect" title="Roadbed">roadbeds</a>, due to its high strength and high angles of internal friction. Because of its good insulating properties, such roadbeds protect the ground beneath them from <a href="/wiki/Frost_heave" class="mw-redirect" title="Frost heave">frost heave</a> and heat deformation.<sup id="cite_ref-DehnOthers2015a_7-0" class="reference"><a href="#cite_note-DehnOthers2015a-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> It is also spread as a traction aid on ice- and snow-covered roads, and around oil wells to firm up mud produced by heavy truck traffic. </p><p>Scoria is used in horticulture. Because it can hold water in its vesicles and in the pore space between grains in aggregates, it can improve the water-holding capacity of planting soils. When sorted to specific sizes and tightly packed, it is also an effective barrier against tunneling pests such as termites.<sup id="cite_ref-DehnOthers2015a_7-1" class="reference"><a href="#cite_note-DehnOthers2015a-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Its striking colours and water-holding properties can make it attractive for landscaping and drainage works.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>Scoria can be used for high-temperature insulation, as in gas barbecue grills.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/Roman_people" title="Roman people">ancient Romans</a> used cinders as construction aggregates, one of the earliest industrial uses of volcanic rocks.<sup id="cite_ref-DehnOthers2015a_7-2" class="reference"><a href="#cite_note-DehnOthers2015a-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> On <a href="/wiki/Rapa_Nui" class="mw-redirect" title="Rapa Nui">Rapa Nui</a>/<a href="/wiki/Easter_Island" title="Easter Island">Easter Island</a>, the quarry of <a href="/wiki/Puna_Pau" title="Puna Pau">Puna Pau</a> was the source of reddish scoria used to carve the <a href="/wiki/Pukao" title="Pukao">pukao</a> (topknots) for the famous <a href="/wiki/Moai" title="Moai">moai</a> statues, and even for the main bodies of some <a href="/wiki/Moai" title="Moai">moai</a>. </p> <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=Scoria&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Cinder_track" title="Cinder track">Cinder track</a> – Race track whose surface is composed of cinders</li> <li><a href="/wiki/Extrusive_rock" title="Extrusive rock">Extrusive rock</a> – Mode of igneous volcanic rock formation</li> <li><a href="/wiki/Igneous_rock" title="Igneous rock">Igneous rock</a></li> <li><a href="/wiki/Lapilli" title="Lapilli">Lapilli</a> – Small pyroclast debris thrown in the air by a volcanic eruption</li> <li><a href="/wiki/List_of_rock_types" title="List of rock types">List of rock types</a> – List of rock types recognized by geologists</li> <li><a href="/wiki/Par%C3%ADcutin" title="Parícutin">Parícutin</a> – Dormant volcano in Michoacán, Mexico</li> <li><a href="/wiki/Tephra" title="Tephra">Tephra</a> – Fragmental material produced by a volcanic eruption</li> <li><a href="/wiki/Tuff" title="Tuff">Tuff</a> – Rock consolidated from volcanic ash</li> <li><a href="/wiki/Volcano" title="Volcano">Volcano</a> – Rupture in a planet's crust where material escapes</li> <li><a href="/wiki/Volcanic_bomb" title="Volcanic bomb">Volcanic bomb</a> – Mass of molten rock ejected during an eruption</li> <li><a href="/wiki/Ye_Olde_Cinder_House" title="Ye Olde Cinder House">Ye Olde Cinder House</a> – house in West Hallam, Erewash, Derbyshire, England, UK<span style="display:none" class="category-wikidata-fallback-annotation">Pages displaying wikidata descriptions as a fallback</span></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=Scoria&action=edit&section=5" 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-FisherOthers1984a-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-FisherOthers1984a_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FisherOthers1984a_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FisherOthers1984a_1-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text">Fisher, R.V. and Schmincke, H.U., 1984. <i>Pyroclastic rocks.</i> Springer Science & Business Media. New York, New York, Springer Science & Business Media. 472 pp. <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/978-3-642-74864-6" title="Special:BookSources/978-3-642-74864-6">978-3-642-74864-6</a></span> </li> <li id="cite_note-NeuendorfOthers2005a-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-NeuendorfOthers2005a_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-NeuendorfOthers2005a_2-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Neuendorf, K.K.E., J.P. Mehl, Jr., and J.A. Jackson, eds. (2005) <i>Glossary of Geology</i> (5th ed.). Alexandria, Virginia, American Geological Institute. 779 pp. <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/0-922152-76-4" title="Special:BookSources/0-922152-76-4">0-922152-76-4</a></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="https://www.researchgate.net/publication/330007091_Preliminary_Assessment_of_Utilization_of_Al-Jaif_Scoria_NW_Sana'a_Yemen_for_Cement_Production">Preliminary Assessment of Utilization of Al-Jaif Scoria (NW Sana'a, Yemen) for Cement Production</a></span> </li> <li id="cite_note-McPhieOthers1993a-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-McPhieOthers1993a_4-0">^</a></b></span> <span class="reference-text">McPhie, J., M. Doyle, and R. Allen (1993) <i>Volcanic Textures A guide to the interpretation of textures in volcanic rocks</i> Centre for Ore Deposit and Exploration Studies, University of Tasmania, Hobart, Tasmania..198 pp. <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/9780859015226" title="Special:BookSources/9780859015226">9780859015226</a></span> </li> <li id="cite_note-StokeOthers1955a-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-StokeOthers1955a_5-0">^</a></b></span> <span class="reference-text">Stokes, W. L., and Varnes, D. J., 1955. <i>Glossary of selected geologic terms, with special reference to their use in engineering: Denver.</i> <i>Proceedings of the Colorado Scientific Society.</i> vol. 15, pp 1-165.</span> </li> <li id="cite_note-Wentworth1953a-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-Wentworth1953a_6-0">^</a></b></span> <span class="reference-text">Wentworth, C.K. and Macdonald, G.A., 1953. <i>Structures and forms of basaltic rocks in Hawaii.</i> <i>United States Geological Survey Bulletin</i>. no. 944, pp 1-98.</span> </li> <li id="cite_note-DehnOthers2015a-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-DehnOthers2015a_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-DehnOthers2015a_7-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-DehnOthers2015a_7-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text">Dehn J., and McNutt, S.R., 2015. <i>Volcanic materials in commerce and industry.</i> In: Sigurdsson H., Houghton B., F., McNutt, S.R., Rymer, H., and Stix, J. (eds.) <i>The encyclopedia of volcanoes.</i> 2nd ed. England, Oxford, Elsevier. pp 1285-1294.</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.winstoneaggregates.co.nz/Auckland.php?location=Three%20Kings">Three Kings Quarry</a>, Winstone Aggregates.</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.michigan.gov/documents/deq/GIMDL-GGRF_307777_7.pdf">Rock Types and Rocks Found in Michigan</a></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=Scoria&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> 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href="/wiki/Cryovolcano" title="Cryovolcano">Cryovolcano</a></li> <li><a href="/wiki/Cryptoexplosion" title="Cryptoexplosion">Cryptovolcanic structure</a></li> <li><a href="/wiki/Fissure_vent" title="Fissure vent">Fissure vent</a></li> <li>Lava cone</li> <li><a href="/wiki/Lava_dome" title="Lava dome">Lava dome</a></li> <li><a href="/wiki/Maar" title="Maar">Maar</a></li> <li><a href="/wiki/Mud_volcano" title="Mud volcano">Mud volcano</a></li> <li><a href="/wiki/Parasitic_cone" title="Parasitic cone">Parasitic cone</a></li> <li><a href="/wiki/Pyroclastic_cone" class="mw-redirect" title="Pyroclastic cone">Pyroclastic cone</a></li> <li><a href="/wiki/Pyroclastic_shield" title="Pyroclastic shield">Pyroclastic shield</a></li> <li><a href="/wiki/Rootless_cone" title="Rootless cone">Rootless cone</a></li> <li><a href="/wiki/Shield_volcano" title="Shield volcano">Shield volcano</a></li> <li><a href="/wiki/Somma_volcano" title="Somma volcano">Somma volcano</a></li> <li><a href="/wiki/Stratovolcano" title="Stratovolcano">Stratovolcano</a></li> <li><a href="/wiki/Subglacial_volcano" title="Subglacial volcano">Subglacial volcano</a></li> <li><a href="/wiki/Submarine_volcano" title="Submarine volcano">Submarine volcano</a></li> <li><a href="/wiki/Supervolcano" title="Supervolcano">Supervolcano</a></li> <li><a href="/wiki/Tossol" title="Tossol">Tossol</a></li> <li><a href="/wiki/Volcanic_cone" title="Volcanic cone">Volcanic cone</a></li> <li><a href="/wiki/Harmonic_tremor" title="Harmonic tremor">Harmonic tremor</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="3" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Puu_Oo_cropped.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Puu_Oo_cropped.jpg/90px-Puu_Oo_cropped.jpg" decoding="async" width="90" height="62" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Puu_Oo_cropped.jpg/135px-Puu_Oo_cropped.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Puu_Oo_cropped.jpg/180px-Puu_Oo_cropped.jpg 2x" data-file-width="845" data-file-height="578" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Volcanic_rock" title="Volcanic rock">Volcanic rocks</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Agglomerate" title="Agglomerate">Agglomerate</a></li> <li><a href="/wiki/Andesite" title="Andesite">Andesite</a></li> <li><a href="/wiki/Basalt" title="Basalt">Basalt</a></li> <li><a href="/wiki/Basaltic_andesite" title="Basaltic andesite">Basaltic andesite</a></li> <li><a href="/wiki/Benmoreite" title="Benmoreite">Benmoreite</a></li> <li><a href="/wiki/Blairmorite" title="Blairmorite">Blairmorite</a></li> <li><a class="mw-selflink selflink">Cinder</a></li> <li><a href="/wiki/Dacite" title="Dacite">Dacite</a></li> <li><a href="/wiki/Felsite" title="Felsite">Felsite</a></li> <li><a href="/wiki/Ignimbrite" title="Ignimbrite">Ignimbrite</a></li> <li><a href="/wiki/Komatiite" title="Komatiite">Komatiite</a></li> <li><a href="/wiki/Lapilli" title="Lapilli">Lapilli</a></li> <li><a href="/wiki/Latite" title="Latite">Latite</a></li> <li><a href="/wiki/Leucitite" title="Leucitite">Leucitite</a></li> <li><a href="/wiki/Nephelinite" title="Nephelinite">Nephelinite</a></li> <li><a href="/wiki/Obsidian" title="Obsidian">Obsidian</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/Pumice" title="Pumice">Pumice</a></li> <li><a href="/wiki/Rhyodacite" title="Rhyodacite">Rhyodacite</a></li> <li><a href="/wiki/Rhyolite" title="Rhyolite">Rhyolite</a></li> <li><a href="/wiki/Tephra" title="Tephra">Tephra</a></li> <li><a href="/wiki/Tephriphonolite" title="Tephriphonolite">Tephriphonolite</a></li> <li><a href="/wiki/Trachyandesite" title="Trachyandesite">Trachyandesite</a></li> <li><a href="/wiki/Trachybasalt" title="Trachybasalt">Trachybasalt</a></li> <li><a href="/wiki/Trachyte" title="Trachyte">Trachyte</a></li> <li><a href="/wiki/Tuff" title="Tuff">Tuff</a></li> <li><a href="/wiki/Pyroclastic_fall" title="Pyroclastic fall">Pyroclastic fall</a></li> <li><a href="/wiki/Pyroclastic_flow" title="Pyroclastic flow">Pyroclastic flow</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">Lists and groups</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hotspot_(geology)" title="Hotspot (geology)">Hotspot</a></li> <li><a href="/wiki/Lists_of_volcanoes" title="Lists of volcanoes">Lists of volcanoes</a></li> <li><a href="/wiki/List_of_volcanic_eruptions_by_death_toll" title="List of volcanic eruptions by death toll">Eruptions by death toll</a></li> <li><a href="/wiki/Decade_Volcanoes" title="Decade Volcanoes">Decade Volcanoes</a></li> <li><a href="/wiki/Volcanic_arc" title="Volcanic arc">Volcanic arc</a></li> <li><a href="/wiki/Volcanic_belt" title="Volcanic belt">Volcanic belt</a></li> <li><a href="/wiki/Volcanic_field" title="Volcanic field">Volcanic field</a> <ul><li><a href="/wiki/Monogenetic_volcanic_field" title="Monogenetic volcanic field">monogenetic</a></li> <li><a href="/wiki/Polygenetic_volcanic_field" title="Polygenetic volcanic field">polygenetic</a></li></ul></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3" style="text-align:center;"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Volcanoes" title="Category:Volcanoes">Category</a></b></li> <li><span class="noviewer" typeof="mw:File"><span title="Commons page"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <b><a href="https://commons.wikimedia.org/wiki/Category:Volcanoes" class="extiw" title="commons:Category:Volcanoes">Commons</a></b></li> <li><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Symbol_portal_class.svg" class="mw-file-description" title="Portal"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/e/e2/Symbol_portal_class.svg/16px-Symbol_portal_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/e/e2/Symbol_portal_class.svg/23px-Symbol_portal_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/e/e2/Symbol_portal_class.svg/31px-Symbol_portal_class.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span> <b><a href="/wiki/Portal:Volcanoes" title="Portal:Volcanoes">Portal</a></b></li> <li><span class="noviewer" typeof="mw:File"><span title="WikiProject"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/37/People_icon.svg/16px-People_icon.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/37/People_icon.svg/24px-People_icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/37/People_icon.svg/32px-People_icon.svg.png 2x" data-file-width="100" data-file-height="100" /></span></span> <b><a href="/wiki/Wikipedia:WikiProject_Volcanoes" title="Wikipedia:WikiProject Volcanoes">WikiProject</a></b></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Types_of_rocks" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Rock_type" title="Template:Rock type"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Rock_type" title="Template talk:Rock type"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Rock_type" title="Special:EditPage/Template:Rock type"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Types_of_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 class="mw-selflink selflink">Scoria</a></li> <li><a href="/wiki/Shonkinite" title="Shonkinite">Shonkinite</a></li> <li><a href="/wiki/Sovite" title="Sovite">Sovite</a></li> <li><a href="/wiki/Syenite" title="Syenite">Syenite</a></li> <li><a href="/wiki/Tachylyte" class="mw-redirect" title="Tachylyte">Tachylyte</a></li> <li><a href="/wiki/Tephriphonolite" title="Tephriphonolite">Tephriphonolite</a></li> <li><a href="/wiki/Tephrite" title="Tephrite">Tephrite</a></li> <li><a href="/wiki/Tonalite" title="Tonalite">Tonalite</a></li> <li><a href="/wiki/Trachyandesite" title="Trachyandesite">Trachyandesite</a> <ul><li><a href="/wiki/Benmoreite" title="Benmoreite">Benmoreite</a></li></ul></li> <li><a href="/wiki/Trachybasalt" title="Trachybasalt">Trachybasalt</a> <ul><li><a href="/wiki/Hawaiite" title="Hawaiite">Hawaiite</a></li></ul></li> <li><a href="/wiki/Trachyte" title="Trachyte">Trachyte</a></li> <li><a href="/wiki/Troctolite" title="Troctolite">Troctolite</a></li> <li><a href="/wiki/Trondhjemite" title="Trondhjemite">Trondhjemite</a></li> <li><a href="/wiki/Tuff" title="Tuff">Tuff</a></li> <li><a href="/wiki/Websterite" title="Websterite">Websterite</a></li> <li><a href="/wiki/Wehrlite" title="Wehrlite">Wehrlite</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sedimentary_rock" title="Sedimentary rock">Sedimentary rock</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Argillite" title="Argillite">Argillite</a></li> <li><a href="/wiki/Arkose" title="Arkose">Arkose</a></li> <li><a href="/wiki/Banded_iron_formation" title="Banded iron formation">Banded iron formation</a></li> <li><a href="/wiki/Breccia" title="Breccia">Breccia</a></li> <li><a href="/wiki/Calcarenite" title="Calcarenite">Calcarenite</a></li> <li><a href="/wiki/Chalk" title="Chalk">Chalk</a></li> <li><a href="/wiki/Chert" title="Chert">Chert</a></li> <li><a href="/wiki/Claystone" class="mw-redirect" title="Claystone">Claystone</a></li> <li><a href="/wiki/Coal" title="Coal">Coal</a></li> <li><a href="/wiki/Conglomerate_(geology)" title="Conglomerate (geology)">Conglomerate</a></li> <li><a href="/wiki/Coquina" title="Coquina">Coquina</a></li> <li><a href="/wiki/Diamictite" title="Diamictite">Diamictite</a></li> <li><a href="/wiki/Diatomite" class="mw-redirect" title="Diatomite">Diatomite</a></li> <li><a href="/wiki/Dolomite_(rock)" title="Dolomite (rock)">Dolomite</a></li> <li><a href="/wiki/Evaporite" title="Evaporite">Evaporite</a></li> <li><a href="/wiki/Flint" title="Flint">Flint</a></li> <li><a href="/wiki/Geyserite" title="Geyserite">Geyserite</a></li> <li><a href="/wiki/Greywacke" title="Greywacke">Greywacke</a></li> <li><a href="/wiki/Gritstone" title="Gritstone">Gritstone</a></li> <li><a href="/wiki/Itacolumite" title="Itacolumite">Itacolumite</a></li> <li><a href="/wiki/Jaspillite" title="Jaspillite">Jaspillite</a></li> <li><a href="/wiki/Laterite" title="Laterite">Laterite</a></li> <li><a href="/wiki/Lignite" title="Lignite">Lignite</a></li> <li><a href="/wiki/Limestone" title="Limestone">Limestone</a></li> <li><a href="/wiki/Lumachelle" title="Lumachelle">Lumachelle</a></li> <li><a href="/wiki/Marl" title="Marl">Marl</a></li> <li><a href="/wiki/Mudstone" title="Mudstone">Mudstone</a></li> <li><a href="/wiki/Oil_shale" title="Oil shale">Oil shale</a></li> <li><a href="/wiki/Oolite" title="Oolite">Oolite</a></li> <li><a href="/wiki/Phosphorite" title="Phosphorite">Phosphorite</a></li> <li><a href="/wiki/Sandstone" title="Sandstone">Sandstone</a></li> <li><a href="/wiki/Shale" title="Shale">Shale</a></li> <li><a href="/wiki/Siltstone" title="Siltstone">Siltstone</a></li> <li><a href="/wiki/Sylvinite" title="Sylvinite">Sylvinite</a></li> <li><a href="/wiki/Tillite" class="mw-redirect" title="Tillite">Tillite</a></li> <li><a href="/wiki/Travertine" title="Travertine">Travertine</a></li> <li><a href="/wiki/Tufa" title="Tufa">Tufa</a></li> <li><a href="/wiki/Turbidite" title="Turbidite">Turbidite</a></li> <li><a href="/wiki/Varve" title="Varve">Varve</a></li> <li><a href="/wiki/Wackestone" title="Wackestone">Wackestone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Metamorphic_rock" title="Metamorphic rock">Metamorphic rock</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anthracite" title="Anthracite">Anthracite</a></li> <li><a href="/wiki/Amphibolite" title="Amphibolite">Amphibolite</a></li> <li><a href="/wiki/Blueschist" title="Blueschist">Blueschist</a></li> <li><a href="/wiki/Cataclasite" title="Cataclasite">Cataclasite</a></li> <li><a href="/wiki/Eclogite" title="Eclogite">Eclogite</a></li> <li><a href="/wiki/Gneiss" title="Gneiss">Gneiss</a></li> <li><a href="/wiki/Granulite" title="Granulite">Granulite</a></li> <li><a href="/wiki/Greenschist" title="Greenschist">Greenschist</a></li> <li><a href="/wiki/Hornfels" title="Hornfels">Hornfels</a> <ul><li><a href="/wiki/Calcflinta" title="Calcflinta">Calcflinta</a></li></ul></li> <li><a href="/wiki/Itabirite" title="Itabirite">Itabirite</a></li> <li><a href="/wiki/Litchfieldite" title="Litchfieldite">Litchfieldite</a></li> <li><a href="/wiki/Marble" title="Marble">Marble</a></li> <li><a href="/wiki/Migmatite" title="Migmatite">Migmatite</a></li> <li><a href="/wiki/Mylonite" title="Mylonite">Mylonite</a></li> <li><a href="/wiki/Metapelite" class="mw-redirect" title="Metapelite">Metapelite</a></li> <li><a href="/w/index.php?title=Metapsammite&action=edit&redlink=1" class="new" title="Metapsammite (page does not exist)">Metapsammite</a></li> <li><a href="/wiki/Phyllite" title="Phyllite">Phyllite</a></li> <li><a href="/wiki/Pseudotachylite" class="mw-redirect" title="Pseudotachylite">Pseudotachylite</a></li> <li><a href="/wiki/Quartzite" title="Quartzite">Quartzite</a></li> <li><a href="/wiki/Schist" title="Schist">Schist</a></li> <li><a href="/wiki/Serpentinite" title="Serpentinite">Serpentinite</a></li> <li><a href="/wiki/Skarn" title="Skarn">Skarn</a></li> <li><a href="/wiki/Slate" title="Slate">Slate</a></li> <li><a href="/wiki/Suevite" title="Suevite">Suevite</a></li> <li><a href="/wiki/Talc_carbonate" title="Talc carbonate">Talc carbonate</a> <ul><li><a href="/wiki/Soapstone" title="Soapstone">Soapstone</a></li></ul></li> <li><a href="/wiki/Tectonite" title="Tectonite">Tectonite</a></li> <li><a href="/wiki/Whiteschist" title="Whiteschist">Whiteschist</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Specific varieties</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adamellite" class="mw-redirect" title="Adamellite">Adamellite</a></li> <li><a href="/wiki/Appinite" title="Appinite">Appinite</a></li> <li><a href="/wiki/Aphanite" title="Aphanite">Aphanite</a></li> <li><a href="/wiki/Borolanite" title="Borolanite">Borolanite</a></li> <li><a href="/wiki/Larvikite" title="Larvikite">Blue Granite</a></li> <li><a href="/wiki/Epidosite" title="Epidosite">Epidosite</a></li> <li><a href="/wiki/Felsite" title="Felsite">Felsite</a></li> <li><a href="/wiki/Flint" title="Flint">Flint</a></li> <li><a href="/wiki/Ganister" title="Ganister">Ganister</a></li> <li><a href="/wiki/Gossan" title="Gossan">Gossan</a></li> <li><a href="/wiki/Hyaloclastite" title="Hyaloclastite">Hyaloclastite</a></li> <li><a href="/wiki/Ijolite" title="Ijolite">Ijolite</a></li> <li><a href="/wiki/Jadeitite" title="Jadeitite">Jadeitite</a></li> <li><a href="/wiki/Jasperoid" title="Jasperoid">Jasperoid</a></li> <li><a href="/wiki/Kenyte" title="Kenyte">Kenyte</a></li> <li><a href="/wiki/Lapis_lazuli" title="Lapis lazuli">Lapis lazuli</a></li> <li><a href="/wiki/Larvikite" title="Larvikite">Larvikite</a></li> <li><a href="/wiki/Litchfieldite" title="Litchfieldite">Litchfieldite</a></li> <li><a href="/wiki/Llanite" title="Llanite">Llanite</a></li> <li><a href="/wiki/Luxullianite" title="Luxullianite">Luxullianite</a></li> <li><a href="/wiki/Mangerite" title="Mangerite">Mangerite</a></li> <li><a href="/wiki/Novaculite" title="Novaculite">Novaculite</a></li> <li><a href="/wiki/Pietersite" title="Pietersite">Pietersite</a></li> <li><a href="/wiki/Pyrolite" title="Pyrolite">Pyrolite</a></li> <li><a href="/wiki/Rapakivi_granite" title="Rapakivi granite">Rapakivi granite</a></li> <li><a href="/wiki/Rhomb_porphyry" class="mw-redirect" title="Rhomb porphyry">Rhomb porphyry</a></li> <li><a href="/wiki/Rodingite" title="Rodingite">Rodingite</a></li> <li><a href="/wiki/Shonkinite" title="Shonkinite">Shonkinite</a></li> <li><a href="/wiki/Taconite" title="Taconite">Taconite</a></li> <li><a href="/wiki/Tachylite" title="Tachylite">Tachylite</a></li> <li><a href="/wiki/Teschenite" title="Teschenite">Teschenite</a></li> <li><a href="/wiki/Theralite" title="Theralite">Theralite</a></li> <li><a href="/wiki/Unakite" title="Unakite">Unakite</a></li> <li><a href="/wiki/Variolite" title="Variolite">Variolite</a></li> <li><a href="/wiki/Wad_(mineral)" title="Wad (mineral)">Wad</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" 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