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首页> 外文期刊>Journal of geophysical research. Solid earth: JGR >Conductivity Distribution Beneath the San Pedro-Linzor Volcanic Chain, North Chile, Using 3-D Magnetotelluric Modeling
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Conductivity Distribution Beneath the San Pedro-Linzor Volcanic Chain, North Chile, Using 3-D Magnetotelluric Modeling

机译:在San Pedro-Linzor火山链下,北智利下面的电导率分布,采用3-D Magnetelluric建模

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A magnetotelluric study was carried out in the San Pedro-Linzor volcanic chain, North Chile, to identify possible magmatic structures and hydrothermal systems associated with volcanoes of Holocene activity, considering previous petrochemical studies pointing to crystallization depths of approximately 8 km. Three-dimensional resistivity models based on magnetotellurics data of the San Pedro-Linzor volcanic chain were obtained based on broadband data measured in 2017 and 2018, in addition to long-period data measured in 1990s. The three-dimensional modeling shows two low-resistivity zones (less than 10 ?m) interpreted as partially molten areas below the Chao Dome and the Paniri volcano, and a shallower low resistivity area (less than 5 ?m) in the Turi Basin, an active hydrothermal system to the southwest of the volcanic chain.
机译:在北智利的San Pedro-Linzor火山链中进行了磁性研究,以确定与全新世活动火山相关的可能的岩石结构和水热系统,考虑到以前指向约8公里的结晶深度的石油化学研究。 基于2017年和2018年在2017年和2018年测量的宽带数据获得了基于SAN PEDRO-LINZOR火山链的三维电阻率模型,除了在1990年代测量的长期数据,还获得了2017年和2018年的宽带数据。 三维建模显示了两种低电阻区(小于10μm)解释为昭圆顶下方的部分熔融区域和Paniri火山,在图里盆地中较浅的低电阻率区域(小于5?米), 对火山链西南有源水热系统。

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