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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">El Laco</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><table class="wikitable infobox toptextcells float-right" id="Vorlage-Infobox-Berg" summary="Infobox Berg" style="margin-top:0; font-size:95%; width:310px;">
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<th colspan="2" style="background:#E7DCC3; color:#202122; font-size:125%;">El Laco
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<td colspan="2" style="text-align:center; padding:2px; border-top:0;">Rechts am Horizont der Gipfel <i>Pico El Laco</i>, links daneben mit den schwarzen Zonen <i>Cerro Laco Sur</i> und <i>Cerro Laco Norte</i>. Das Bild zeigt nur etwa die Hälfte des Vulkankomplexes.
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<td><a href="H%C3%B6he_%C3%BCber_dem_Meeresspiegel" title="Höhe über dem Meeresspiegel">Höhe</a>
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<td><span style="border-width:0px; padding:0px; margin:0px;">5325 <a href="H%C3%B6he_%C3%BCber_dem_Meeresspiegel" title="Höhe über dem Meeresspiegel">m</a></span> <sup id="cite_ref-Naranjo_2009_1-0" class="reference"><a href="#cite_note-Naranjo_2009-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
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<td>Lage
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<td><span style="display:none">Chile</span><span class="mw-image-border noviewer" typeof="mw:File"><a href="Chile" title="Chile"></a></span> <a href="Chile" title="Chile">Chile</a>, <br><a href="San_Pedro_de_Atacama" title="San Pedro de Atacama">San Pedro de Atacama</a>
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<td><a href="Gebirge" title="Gebirge">Gebirge</a>
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<td><a href="Anden" title="Anden">Anden</a>
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<td><a href="World_Geodetic_System_1984" title="World Geodetic System 1984">Koordinaten</a>
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<td><span id="text_coordinates" class="coordinates -print"><a class="external text" href="geo:-23.818333333333,-67.5"><span title="Breitengrad">23° 49′ 6″ <abbr title="Süd">S</abbr></span>, <span title="Längengrad">67° 30′ 0″ <abbr title="West">W</abbr></span></a></span><span class="geo noexcerpt" style="display:none"><span class="body"></span><span class="latitude">-23.818333333333</span><span class="longitude">-67.5</span><span class="elevation">5325</span></span>
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<td>Typ
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<td><a href="Stratovulkan" class="mw-redirect" title="Stratovulkan">Stratovulkan</a>
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<td><a href="Gestein" title="Gestein">Gestein</a>
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<td><a href="Andesit" title="Andesit">Andesit</a>, <a href="H%C3%A4matit" title="Hämatit">Hämatit</a>
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<td>Besonderheiten
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<td>Bergbaugebiet
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<td colspan="2" style="text-align:center; padding:2px; border-bottom:0;"><span typeof="mw:File"></span>
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<td colspan="2" style="text-align:center; padding:2px; border-top:0;">Der optisch unspektakuläre El Laco – Komplex gesehen aus etwa 15 km Entfernung. Nur der konische Gipfel fällt am Horizont über dem Motorrad auf.
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<td colspan="2" style="text-align:center; padding:2px; border-bottom:0;"><span typeof="mw:File"></span>
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<td colspan="2" style="text-align:center; padding:2px; border-top:0;">Die geologische Karte<sup id="cite_ref-Nyström_1994_2-0" class="reference"><a href="#cite_note-Nyström_1994-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> zeigt die Verteilung der schon ausgebeuteten Eisenvorkommen.
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</tbody></table><div style="display:none">Vorlage:Infobox Berg/Wartung/BILD1</div><div style="display:none">Vorlage:Infobox Berg/Wartung/BILD2</div><div class="editoronly" style="display:none;"></div>
<p>Der <b>El Laco</b> – <a href="Komplexer_Vulkan" title="Komplexer Vulkan">Vulkankomplex</a> befindet sich im <a href="Altiplano" title="Altiplano">Altiplano</a> der zentralen Andenkordillere in Nordchile, bei <a href="San_Pedro_de_Atacama" title="San Pedro de Atacama">San Pedro de Atacama</a>. Er ist ein einziges Vulkangebäude das, über eine Fläche von 30 km² verteilt, aus mindestens sieben kleineren Stratovulkanen und Domen besteht mit einem zentralen Krater an seiner Spitze, dem Pico El Laco.<sup id="cite_ref-Henriquez_1978_3-0" class="reference"><a href="#cite_note-Henriquez_1978-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Naranjo_2010_4-0" class="reference"><a href="#cite_note-Naranjo_2010-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
</p><p>Der El Laco zeichnet sich durch das Vorhandensein von Eisenerz-Lavaströmen aus. Dieses Eisenvorkommen mit 500 Millionen Tonnen Erz von 60 % Eisengehalt, besteht hauptsächlich aus <a href="Magnetit" title="Magnetit">Magnetit</a> und <a href="H%C3%A4matit" title="Hämatit">Hämatit</a> mit <a href="Apatit" title="Apatit">Apatit</a> und <a href="Actinolit" class="mw-redirect" title="Actinolit">Actinolit</a> als Gangmineralen. Es wurde 1958 entdeckt und per Tagebau industriell abgebaut.<sup id="cite_ref-Nyström_1994_2-1" class="reference"><a href="#cite_note-Nyström_1994-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Park_1961_5-0" class="reference"><a href="#cite_note-Park_1961-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Frutos_1975_6-0" class="reference"><a href="#cite_note-Frutos_1975-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<div class="sisterproject" style="margin:0.1em 0 0 0;"><div class="noresize noviewer" style="display:inline-block; line-height:10px; min-width:1.6em; text-align:center;" aria-hidden="true" role="presentation"><span class="mw-default-size" typeof="mw:File"><span title="Commons"></span></span></div><b><span class=""><a class="external text" href="https://commons.wikimedia.org/wiki/Category:El_Laco?uselang=de"><span lang="en">Commons</span>: El Laco</a></span></b> – Sammlung von Bildern, Videos und Audiodateien</div>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-Naranjo_2009-1"><span class="mw-cite-backlink"><a href="#cite_ref-Naranjo_2009_1-0">↑</a></span> <span class="reference-text">
Naranjo, J.A., Henríquez, F. "Geocronología K-Ar y antecedentes paleoambientales del volcanismo de óxido de fierro de El Laco." Santiago 22 (2009): S7_021.
(<a rel="nofollow" class="external text" href="https://www.researchgate.net/profile/Fernando_Henriquez/publication/273426262_Geocronologia_K-Ar_y_antecedentes_paleoambientales_del_volcanismo_de_oxido_de_fierro_de_El_Laco/links/55005f1a0cf2aee14b5475fe.pdf">online</a>)</span>
</li>
<li id="cite_note-Nyström_1994-2"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Nyström_1994_2-0">a</a></sup> <sup><a href="#cite_ref-Nyström_1994_2-1">b</a></sup></span> <span class="reference-text">
Nyström, Jan Olov, and Fernando Henriquez. "Magmatic features of iron ores of the Kiruna type in Chile and Sweden; ore textures and magnetite geochemistry." Economic Geology 89.4 (1994): 820-839.
(<a rel="nofollow" class="external text" href="http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.893.7069&rep=rep1&type=pdf">PDF</a>)</span>
</li>
<li id="cite_note-Henriquez_1978-3"><span class="mw-cite-backlink"><a href="#cite_ref-Henriquez_1978_3-0">↑</a></span> <span class="reference-text">
Henriquez, Fernando, and Robert F. Martin. "Crystal-growth textures in magnetite flows and feeder dykes, El Laco, Chile." The Canadian Mineralogist 16.4 (1978): 581-589.
(<a rel="nofollow" class="external text" href="https://rruff-2.geo.arizona.edu/uploads/CM16_581.pdf">PDF</a>)</span>
</li>
<li id="cite_note-Naranjo_2010-4"><span class="mw-cite-backlink"><a href="#cite_ref-Naranjo_2010_4-0">↑</a></span> <span class="reference-text">
Naranjo, José A., Fernando Henríquez, and Jan O. Nyström. "Subvolcanic contact metasomatism at El Laco volcanic complex, central Andes." Andean Geology 37.1 (2010).
(<a rel="nofollow" class="external text" href="http://www.redalyc.org/html/1739/173914377005/">online</a>)</span>
</li>
<li id="cite_note-Park_1961-5"><span class="mw-cite-backlink"><a href="#cite_ref-Park_1961_5-0">↑</a></span> <span class="reference-text">
Park, Charles F. "A magnetite" flow" in northern Chile." Economic Geology 56.2 (1961): 431-436.
(<a rel="nofollow" class="external text" href="https://pubs.geoscienceworld.org/segweb/economicgeology/article-abstract/56/2/431/16987">online</a>)</span>
</li>
<li id="cite_note-Frutos_1975-6"><span class="mw-cite-backlink"><a href="#cite_ref-Frutos_1975_6-0">↑</a></span> <span class="reference-text">
Frutos, Jose, and J. Oyarzun M. "Tectonic and geochemical evidence concerning the genesis of El Laco magnetite lava flow deposits, Chile." Economic Geology 70.5 (1975): 988-990.
(<a rel="nofollow" class="external text" href="https://pubs.geoscienceworld.org/segweb/economicgeology/article-abstract/70/5/988/18732">online</a>)</span>
</li>
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