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Data for: Geochemistry, petrogenesis, zircon U-Pb geochronology and Sr-Nd isotopic composition of Kuh-e-Shah volcanic rocks: Implications for an active continental margin along with eastern Iran during the Paleogene

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Mendeley Data2026-04-18 收录
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In this study, we present new geochemical (whole-rock major and trace element), isotopic (Rb-Sr and Sm-Nd) and geochronological (U-Pb) data from the Kuh-e-Shah volcanic rocks with a comparison to other scattered volcanic rocks throughout the Lut Block (Pang et al., 2013; Saadat & Stern, 2016; Javidi Moghaddam et al., 2019) in order to better understanding the Paleogene magmatism evolution of the Lut Block and to place constraints to the timing and onset of volcanism, its tectonic implications, the geochemical features of the mantle source involved in volcanic rocks genesis, petrogenetic processes and the controls of magma generation processes, the probable effects of fractional crystallization and crustal contamination, and geodynamic evolution of volcanic rocks which exposed in the western part of the Kuh-e-Shah volcano-plutonic complex.

本研究报道了采自库赫沙(Kuh-e-Shah)火山岩的全新地球化学(全岩主量与微量元素)、同位素(Rb-Sr与Sm-Nd)及地质年代学(U-Pb)数据,并与卢特地块(Lut Block)内其他零散分布的火山岩(Pang等,2013;Saadat与Stern,2016;Javidi Moghaddam等,2019)开展对比分析,旨在更深入阐明卢特地块古近纪岩浆作用的演化历程,约束火山作用的启动时间与发生时序,明确其构造指示意义,剖析火山岩成因所涉及的地幔源区地球化学特征、成岩作用过程及岩浆生成作用的控制机制,探讨分离结晶作用与地壳混染作用的潜在影响,并厘清库赫沙火山-侵入杂岩西部露头区火山岩的地球动力学演化过程。

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2021-04-27
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