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首页> 外文期刊>Economic geology and the bulletin of the Society of Economic Geologists >Multistage Intrusion, Brecciation, and Veining at El Teniente, Chile: Evolution of a Nested Porphyry System
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Multistage Intrusion, Brecciation, and Veining at El Teniente, Chile: Evolution of a Nested Porphyry System

机译:智利El Teniente的多阶段入侵,Bre裂和脉络化:嵌套斑岩系统的演变

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摘要

The El Teniente copper-molybdenum deposit is hosted by the late Miocene Teniente Mafic Complex, a largely subvolcanic package of primarily basaltic-andesite porphyry sills and stocks that were emplaced within the mid-late Miocene Farellones Formation. In the late Miocene-Pliocene, a series of intermediate felsic plutons were intruded into the Teniente Mafic Complex. These are spatially associated with magmatic-hydrothermal breccias and multiple vein types that form individual mineralized complexes.
机译:El Teniente铜钼矿床由晚中新世Teniente Mafic Complex组成,这是一个主要为玄武质安山岩斑岩基岩和储层的火山岩,主要包裹在中新世中晚期Farellones组中。在中新世-上新世晚期,一系列中等的长英质海陆侵入特内特黑铁质复合体。这些在空间上与岩浆热液角砾岩和形成单个矿化复合体的多种脉型有关。

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