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class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Eraketa</span> </div> </a> <ul id="toc-Eraketa-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sailkapena[3]" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sailkapena[3]"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Sailkapena<sup><span>[</span>3<span>]</span></sup></span> </div> </a> <button aria-controls="toc-Sailkapena[3]-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>Erakutsi/ezkutatu Sailkapena<sup><span>[</span>3<span>]</span></sup> azpiatal</span> </button> <ul id="toc-Sailkapena[3]-sublist" class="vector-toc-list"> <li id="toc-Konposizio_eta_texturaren_arabera:" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Konposizio_eta_texturaren_arabera:"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Konposizio eta texturaren arabera:</span> </div> </a> <ul id="toc-Konposizio_eta_texturaren_arabera:-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Formaren_arabera:" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Formaren_arabera:"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Formaren arabera:</span> </div> </a> <ul id="toc-Formaren_arabera:-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Erreferentziak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Erreferentziak"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Erreferentziak</span> </div> </a> <ul id="toc-Erreferentziak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Kanpo_estekak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kanpo_estekak"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Kanpo estekak</span> </div> </a> <ul id="toc-Kanpo_estekak-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Edukiak" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Eduki taularen ikusgarritasuna aldatu" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Eduki taularen ikusgarritasuna aldatu</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Dike (geologia)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Joan beste hizkuntza batean idatzitako artikulu batera. 44 hizkuntzatan eskuragarri." > <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-44" 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">44 hizkuntza</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Dique_(cheoloch%C3%ADa)" title="Dique (cheolochía) – aragoiera" lang="an" hreflang="an" data-title="Dique (cheolochía)" data-language-autonym="Aragonés" data-language-local-name="aragoiera" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AC%D8%AF%D8%A9_%D9%82%D8%A7%D8%B7%D8%B9%D8%A9" title="جدة قاطعة – arabiera" lang="ar" hreflang="ar" data-title="جدة قاطعة" data-language-autonym="العربية" data-language-local-name="arabiera" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Dayka" title="Dayka – azerbaijanera" lang="az" hreflang="az" data-title="Dayka" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaijanera" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%94%D0%B0%D0%B9%D0%BA%D0%B0" title="Дайка – bielorrusiera" lang="be" hreflang="be" data-title="Дайка" data-language-autonym="Беларуская" data-language-local-name="bielorrusiera" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%94%D0%B0%D0%B9%D0%BA%D0%B0" title="Дайка – bulgariera" lang="bg" hreflang="bg" data-title="Дайка" data-language-autonym="Български" data-language-local-name="bulgariera" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A1%E0%A6%BE%E0%A6%87%E0%A6%95_(%E0%A6%B6%E0%A6%BF%E0%A6%B2%E0%A6%BE)" title="ডাইক (শিলা) – bengalera" lang="bn" hreflang="bn" data-title="ডাইক (শিলা)" data-language-autonym="বাংলা" data-language-local-name="bengalera" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Dic_(geologia)" title="Dic (geologia) – katalana" lang="ca" hreflang="ca" data-title="Dic (geologia)" data-language-autonym="Català" data-language-local-name="katalana" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Dajka" title="Dajka – txekiera" lang="cs" hreflang="cs" data-title="Dajka" data-language-autonym="Čeština" data-language-local-name="txekiera" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Dyke" title="Dyke – alemana" lang="de" hreflang="de" data-title="Dyke" data-language-autonym="Deutsch" data-language-local-name="alemana" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Dike_(geology)" title="Dike (geology) – ingelesa" lang="en" hreflang="en" data-title="Dike (geology)" data-language-autonym="English" data-language-local-name="ingelesa" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Dique_(geolog%C3%ADa)" title="Dique (geología) – gaztelania" lang="es" hreflang="es" data-title="Dique (geología)" data-language-autonym="Español" data-language-local-name="gaztelania" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Daik" title="Daik – estoniera" lang="et" hreflang="et" data-title="Daik" data-language-autonym="Eesti" data-language-local-name="estoniera" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A2%D8%B0%D8%B1%DB%8C%D9%86%E2%80%8C%D8%AA%DB%8C%D8%BA%D9%87" title="آذرین‌تیغه – persiera" lang="fa" hreflang="fa" data-title="آذرین‌تیغه" data-language-autonym="فارسی" data-language-local-name="persiera" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Juoni_(geologia)" title="Juoni (geologia) – finlandiera" lang="fi" hreflang="fi" data-title="Juoni (geologia)" data-language-autonym="Suomi" data-language-local-name="finlandiera" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Dyke" title="Dyke – frantsesa" lang="fr" hreflang="fr" data-title="Dyke" data-language-autonym="Français" data-language-local-name="frantsesa" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Dinge%C3%A1n" title="Dingeán – irlandera" lang="ga" hreflang="ga" data-title="Dingeán" data-language-autonym="Gaeilge" data-language-local-name="irlandera" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Dique_(xeolox%C3%ADa)" title="Dique (xeoloxía) – galiziera" lang="gl" hreflang="gl" data-title="Dique (xeoloxía)" data-language-autonym="Galego" data-language-local-name="galiziera" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%93%D7%99%D7%99%D7%A7" title="דייק – hebreera" lang="he" hreflang="he" data-title="דייק" data-language-autonym="עברית" data-language-local-name="hebreera" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A1%E0%A4%BE%E0%A4%87%E0%A4%95" title="डाइक – hindia" lang="hi" hreflang="hi" data-title="डाइक" data-language-autonym="हिन्दी" data-language-local-name="hindia" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Filon" title="Filon – Haitiko kreolera" lang="ht" hreflang="ht" data-title="Filon" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitiko kreolera" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Har%C3%A1nttel%C3%A9r" title="Haránttelér – hungariera" lang="hu" hreflang="hu" data-title="Haránttelér" data-language-autonym="Magyar" data-language-local-name="hungariera" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B4%D5%A1%D5%B5%D6%84" title="Դայք – armeniera" lang="hy" hreflang="hy" data-title="Դայք" data-language-autonym="Հայերեն" data-language-local-name="armeniera" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Korok_(geologi)" title="Korok (geologi) – indonesiera" lang="id" hreflang="id" data-title="Korok (geologi)" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiera" 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/Berggangar" title="Berggangar – islandiera" lang="is" hreflang="is" data-title="Berggangar" data-language-autonym="Íslenska" data-language-local-name="islandiera" 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/Dicco" title="Dicco – italiera" lang="it" hreflang="it" data-title="Dicco" data-language-autonym="Italiano" data-language-local-name="italiera" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%B2%A9%E8%84%88" title="岩脈 – japoniera" lang="ja" hreflang="ja" data-title="岩脈" data-language-autonym="日本語" data-language-local-name="japoniera" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%93%E1%83%90%E1%83%98%E1%83%99%E1%83%98" title="დაიკი – georgiera" lang="ka" hreflang="ka" data-title="დაიკი" data-language-autonym="ქართული" data-language-local-name="georgiera" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%94%D0%B0%D0%B9%D0%BA%D0%B0" title="Дайка – kazakhera" lang="kk" hreflang="kk" data-title="Дайка" data-language-autonym="Қазақша" data-language-local-name="kazakhera" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%95%94%EB%A7%A5" title="암맥 – koreera" lang="ko" hreflang="ko" data-title="암맥" data-language-autonym="한국어" data-language-local-name="koreera" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%94%D0%B0%D0%B9%D0%BA%D0%B0" title="Дайка – kirgizera" lang="ky" hreflang="ky" data-title="Дайка" data-language-autonym="Кыргызча" data-language-local-name="kirgizera" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Daika" title="Daika – lituaniera" lang="lt" hreflang="lt" data-title="Daika" data-language-autonym="Lietuvių" data-language-local-name="lituaniera" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Dike_(geologie)" title="Dike (geologie) – nederlandera" lang="nl" hreflang="nl" data-title="Dike (geologie)" data-language-autonym="Nederlands" data-language-local-name="nederlandera" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Gang_i_geologi" title="Gang i geologi – nynorsk (norvegiera)" lang="nn" hreflang="nn" data-title="Gang i geologi" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorsk (norvegiera)" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Dajka" title="Dajka – poloniera" lang="pl" hreflang="pl" data-title="Dajka" data-language-autonym="Polski" data-language-local-name="poloniera" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Dique_(geologia)" title="Dique (geologia) – portugesa" lang="pt" hreflang="pt" data-title="Dique (geologia)" data-language-autonym="Português" data-language-local-name="portugesa" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%94%D0%B0%D0%B9%D0%BA%D0%B0" title="Дайка – errusiera" lang="ru" hreflang="ru" data-title="Дайка" data-language-autonym="Русский" data-language-local-name="errusiera" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Dyke_(geology)" title="Dyke (geology) – Simple English" lang="en-simple" hreflang="en-simple" data-title="Dyke (geology)" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Dajk" title="Dajk – esloveniera" lang="sl" hreflang="sl" data-title="Dajk" data-language-autonym="Slovenščina" data-language-local-name="esloveniera" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%94%D0%B0%D1%98%D0%BA" title="Дајк – serbiera" lang="sr" hreflang="sr" data-title="Дајк" data-language-autonym="Српски / srpski" data-language-local-name="serbiera" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/G%C3%A5ng_(geologi)" title="Gång (geologi) – suediera" lang="sv" hreflang="sv" data-title="Gång (geologi)" data-language-autonym="Svenska" data-language-local-name="suediera" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Dayk" title="Dayk – turkiera" lang="tr" hreflang="tr" data-title="Dayk" data-language-autonym="Türkçe" data-language-local-name="turkiera" 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%94%D0%B0%D0%B9%D0%BA%D0%B0" title="Дайка – ukrainera" lang="uk" hreflang="uk" data-title="Дайка" data-language-autonym="Українська" data-language-local-name="ukrainera" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Daika" title="Daika – uzbekera" lang="uz" hreflang="uz" data-title="Daika" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekera" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%B2%A9%E8%84%88" title="岩脈 – txinera" lang="zh" hreflang="zh" data-title="岩脈" data-language-autonym="中文" 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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="eu" dir="ltr"><figure typeof="mw:File/Thumb"><a href="/wiki/Fitxategi:ISR-2016-Makhtesh_Ramon-Geological_dike.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/ISR-2016-Makhtesh_Ramon-Geological_dike.jpg/211px-ISR-2016-Makhtesh_Ramon-Geological_dike.jpg" decoding="async" width="211" height="317" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/ISR-2016-Makhtesh_Ramon-Geological_dike.jpg/317px-ISR-2016-Makhtesh_Ramon-Geological_dike.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e1/ISR-2016-Makhtesh_Ramon-Geological_dike.jpg/422px-ISR-2016-Makhtesh_Ramon-Geological_dike.jpg 2x" data-file-width="3500" data-file-height="5250" /></a><figcaption>Irudiko dike magmatikoak arroka sedimentarioak zeharkatzen ditu Makhesh Ramon haranean, Isralelen.</figcaption></figure> <p><b>Dikeak</b>, <a href="/wiki/Geologia" title="Geologia">geologian</a>, jatorri <a href="/wiki/Magma" title="Magma">magmatikoa</a> duten egitura tabularrak dira. Jatorrizko haitz baten pitzadura bat magmak betetzen duenean osatzen dira. Hortaz, dikeak osatzen dituzten arrokak <a href="/wiki/Intrusio" class="mw-redirect" title="Intrusio">intrusiboak</a> izan ohi dira.<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> Alta, dike <a href="/wiki/Arroka_sedimentario" title="Arroka sedimentario">sedimentarioak</a> ere badaude. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Ezaugarriak">Ezaugarriak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Dike_(geologia)&veaction=edit&section=1" title="Aldatu atal hau: «Ezaugarriak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Dike_(geologia)&action=edit&section=1" title="Edit section's source code: Ezaugarriak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dikeek beste gorputz arrokatsu edo geruza batzuk zeharkatzen dituzte. Horrenbestez, dikeak zeharkatzen dituzten arrokak baino gazteagoak direla ondorioztatzen da. Beren itxurari dagokionez, inklinazio handiz sortzen diren formazioak dira, batzuetan ia bertikalak izateraino. Hala ere, deformazioak jasan ditzakete, erabateko horizontaltasuna lortuz (sillak). Honen arrazoia, jatorri tektoniko batengatik, zeharkatzen dituzten estratuen errotazioa da, horrela dikeen beren errotazioa ere eraginez. </p><p>Lodiera oso desberdinak izaten dituzte, zentrimetro gutxi batzutik eta hainbat metrorako lodiera har baitezakete. Era berean, dikearen luzera ere metro gutxi batzukoa edo zenbait kilometrokoa izan daiteke. Arroka igneo intrusiboak dira eta orotariko konposizioa izan ohi dute, <a href="/wiki/Base" title="Base">basikotik</a> <a href="/wiki/Azido" title="Azido">ultra azidorainokoa</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Eraketa">Eraketa</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Dike_(geologia)&veaction=edit&section=2" title="Aldatu atal hau: «Eraketa»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Dike_(geologia)&action=edit&section=2" title="Edit section's source code: Eraketa"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/Fitxategi:WestSpanishPeakCO.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/WestSpanishPeakCO.jpg/225px-WestSpanishPeakCO.jpg" decoding="async" width="225" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/WestSpanishPeakCO.jpg/338px-WestSpanishPeakCO.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/WestSpanishPeakCO.jpg/450px-WestSpanishPeakCO.jpg 2x" data-file-width="900" data-file-height="600" /></a><figcaption>Erosioak jatorrizko arroka higatzean, arroka gogorragoz osaturiko hiru dike agerian utzi ditu Coloradon.</figcaption></figure> <p>Dikeak normalean multzoka sortu ohi dira, dike taldekatzeak osatuz. Gutxitan aurkitzen dira dike bakartiak. Dikeen eraketa espantsio indarrak dauden zona tektonikoetan gertatzen den fenomenoa da. Zona hauetan, magmaren igoera gauzatzen da eremu ahulenetik, azkenean, magma azaleratu eta guztiz kristaldu arte. Prozesu honetan sortzen diren gorputzei dikeak deritze. Esan bezala, dike hauek beste gorputz arrokatsuetan barrena sortzen dira inklinazio handiz.<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> </p> <div class="mw-heading mw-heading2"><h2 id="Sailkapena[3]"><span id="Sailkapena.5B3.5D"></span>Sailkapena<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></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Dike_(geologia)&veaction=edit&section=3" title="Aldatu atal hau: «Sailkapena[3]»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Dike_(geologia)&action=edit&section=3" title="Edit section's source code: Sailkapena[3]"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Egitura hauek irizpide batzuen arabera sailkatzen dira, besteak beste: konposizio eta texturaren arabera alde batetik, eta formaren arabera bestetik. </p> <div class="mw-heading mw-heading3"><h3 id="Konposizio_eta_texturaren_arabera:">Konposizio eta texturaren arabera:</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Dike_(geologia)&veaction=edit&section=4" title="Aldatu atal hau: «Konposizio eta texturaren arabera:»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Dike_(geologia)&action=edit&section=4" title="Edit section's source code: Konposizio eta texturaren arabera:"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <ol><li>Diabasikoa: <a href="/wiki/Granito" title="Granito">Granitoaren</a> konposizio bera dute, hau da, <a href="/wiki/Kuartzo" title="Kuartzo">kuartzoa</a>, <a href="/wiki/Feldespato" title="Feldespato">feldespatoa</a> eta biotita. Baina dike diabasikoek oso pikor finak izan ohi dituzte, begi bistaz hautemanezinak. Egitura hauen intrusioa oso tenperatura baxuan ematen da (<300 °C), 1 km eta 6 km bitarteko tartean.</li> <li>Basaltikoa: Dike basaltikoen kasuan, izenak dioen bezal,a konposizio basaltikoa dute eta frogatu da, eta bere barnean hutsuneak eratu daitezkeela, haitzulo bolkaniko mota bat osatuz.</li> <li>Granitikoa: Dike granitikoak, arroka granitiko oso handiz osatuak daude eta askotan intrusio granitikoaren azken etaparekin erlazionatzen dira, bai eta segregazio metamorfikoekin ere.</li></ol> <div class="mw-heading mw-heading3"><h3 id="Formaren_arabera:">Formaren arabera:</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Dike_(geologia)&veaction=edit&section=5" title="Aldatu atal hau: «Formaren arabera:»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Dike_(geologia)&action=edit&section=5" title="Edit section's source code: Formaren arabera:"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <ol><li>Anularra: Barnean egitura zirkular eliptiko, poligonal edo arkeatua duten gorputz intrusibo laminarrak dira. Ganbera magmatikoan dagoen gainpresioa eten egiten da dike baten eraketaren ondorioz. Honek, gainazalean kolapso bat eragiten du, gainazalaren hauste zilindriko bat ekarriko duena. Hauste hauek magmaz betetzen joaten dira, dike anularrak sortuz.</li> <li>Konikoa: Dike konikoaren egitura eta eraketa dike anularren oso antzekoa da, zirkularrak eta eliptikoak baitira.  Baina berezitasun nagusi bat dute, dike taldekatze guztiak zentro intrusibo komun bat dute, horrela kono itxurako forma bat eginez. Bere lodiera oso aldakorra da, dike basikoak 10 metro inguru izatera irits daitezke, felsikoak berriz, 60 metro baina handiagoak ere izan daitezke.</li> <li>Erradiala: Dike erradialak, anularrak eta konikoak bezalaxe, eremu bolkanikoetan dira ohikoak, ganbera magmatikoak lurrazaletik distantzian txikira dauden eremuetan, hain zuzen ere. Dike erradialak ere zentro intrusibo komun bat dute eta bertatik irradiatzen dira dikeak, hodi laminarrak eratuz. Egitura hauetatik magmaren hedapena posible egiten da.</li> <li>Paraleloak: Dike taldekatze bat baina gehiagoren norabidea paraleloa denean deitu ohi zaie dike paralelo. Fenomeno honen arrazoia, indar erregionalen eragina izaten da.</li></ol> <div class="mw-heading mw-heading2"><h2 id="Erreferentziak">Erreferentziak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Dike_(geologia)&veaction=edit&section=6" title="Aldatu atal hau: «Erreferentziak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Dike_(geologia)&action=edit&section=6" title="Edit section's source code: Erreferentziak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">↑</a> <span class="reference-text"><span class="citation"></span> <span class="citation"><a rel="nofollow" class="external text" href="http://www.insugeo.org.ar/publicaciones/docs/scg_15/capitulo_6.htm">«CAPÍTULO 6»</a> <i>www.insugeo.org.ar</i> <span class="reference-accessdate"><small>(Noiz kontsultatua: 2018-12-03)</small></span></span>.</span> </li> <li id="cite_note-2"><a href="#cite_ref-2">↑</a> <span class="reference-text"><span class="citation"></span> <span class="citation" id="CITEREFGriem">Griem, Wolfgang. <a rel="nofollow" class="external text" href="http://www.geovirtual2.cl/Geoestructural/gestr06.htm">«Apuntes geología estructural: Estructuras tabulares - los diques y vetas»</a> <i>www.geovirtual2.cl</i> <span class="reference-accessdate"><small>(Noiz kontsultatua: 2018-12-03)</small></span></span>.</span> </li> <li id="cite_note-3"><a href="#cite_ref-3">↑</a> <span class="reference-text"><span class="citation"> <span style="cursor: help; font-size: 90%; font-family: bold; color: gray" title="Gaztelaniaz dago aipu honen iturburua"><b>(Gaztelaniaz)</b></span></span> <span class="citation"><a rel="nofollow" class="external text" href="https://petroignea.wordpress.com/formas-de-yacimiento/formas-plutonicas-y-filonianas/diques-y-sills/">«DIQUES Y SILLS»</a> <i>ATLAS DE ROCAS ÍGNEAS</i> 2013-03-11 <span class="reference-accessdate"><small>(Noiz kontsultatua: 2018-12-03)</small></span></span>.</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Kanpo_estekak">Kanpo estekak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Dike_(geologia)&veaction=edit&section=7" title="Aldatu atal hau: «Kanpo estekak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Dike_(geologia)&action=edit&section=7" title="Edit section's source code: Kanpo estekak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="clear:both;"></div><style data-mw-deduplicate="TemplateStyles:r7786466">.mw-parser-output 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.navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}</style></div><div role="navigation" class="navbox" aria-labelledby="Autoritate_kontrola" style="width: inherit;padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th id="Autoritate_kontrola" scope="row" class="navbox-group" style="width:1%;width: 12%; text-align:center;"><a href="/wiki/Laguntza:Autoritate_kontrola" title="Laguntza:Autoritate kontrola">Autoritate kontrola</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b>Wikimedia proiektuak</b></li> <li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="/wiki/Wikidata" title="Wikidata"><img alt="Wd" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/20px-Wikidata-logo.svg.png" decoding="async" width="20" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/30px-Wikidata-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/40px-Wikidata-logo.svg.png 2x" data-file-width="1050" data-file-height="590" /></a></span> Datuak:</span> <span class="uid"><a href="https://www.wikidata.org/wiki/Q662806" class="extiw" title="wikidata:Q662806">Q662806</a></span></li> <li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="/wiki/Wikimedia_Commons" title="Commonscat"><img alt="Commonscat" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/15px-Commons-logo.svg.png" decoding="async" width="15" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/23px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> Multimedia:</span> <span class="uid"><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Dike_(geology)">Dike (geology)</a></span> / <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Special:MediaSearch?type=image&search=%22Q662806%22">Q662806</a></span></span></li></ul> <hr /> <ul><li><b>Identifikadoreak</b></li> <li><span style="white-space:nowrap;"><a href="/wiki/Biblioth%C3%A8que_nationale_de_France" class="mw-redirect" title="Bibliothèque nationale de France">BNF</a>:</span> <span class="uid"><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb119742731">119742731</a> <a rel="nofollow" class="external text" href="http://data.bnf.fr/ark:/12148/cb119742731">(data)</a></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Library_of_Congress_Control_Number" title="Library of Congress Control Number">LCCN</a>:</span> <span class="uid"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh85038004">sh85038004</a></span></li> <li><b>Hiztegiak eta entziklopediak</b></li> <li><span style="white-space:nowrap;"><a href="/wiki/Encyclop%C3%A6dia_Britannica" title="Encyclopædia Britannica">Britannica</a>:</span> <span class="uid"><a rel="nofollow" class="external text" href="https://www.britannica.com/science/dike-igneous-rock">url</a></span></li></ul> </div></td></tr></tbody></table></div><div class="mw-mf-linked-projects hlist"> <ul><li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="/wiki/Wikidata" title="Wikidata"><img alt="Wd" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/20px-Wikidata-logo.svg.png" decoding="async" width="20" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/30px-Wikidata-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/40px-Wikidata-logo.svg.png 2x" data-file-width="1050" data-file-height="590" /></a></span> Datuak:</span> <span class="uid"><a href="https://www.wikidata.org/wiki/Q662806" class="extiw" title="wikidata:Q662806">Q662806</a></span></li> <li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="/wiki/Wikimedia_Commons" title="Commonscat"><img alt="Commonscat" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/15px-Commons-logo.svg.png" decoding="async" width="15" height="20" class="mw-file-element" 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