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Crustal structure of the middle segment of the Jiangnan Orogen and its implications on mineralization: Revealed by teleseismic receiver functions along the Guangchang-Liuyang profile

江南造山带位于华南大陆扬子块体和华夏块体之间，其深部地壳结构与变形特征记录了扬子块体与华夏块体拼合与相互作用的痕迹，且在其内部与邻区发育了丰富的多金属矿床，并形成了巨型Cu-Au-Pb-Zn-Ag多金属成矿带，是深化认识华南大陆地壳演化、岩浆作用与成矿系统的关键地域。针对华南大陆地区的地壳结构与成矿过程，国家科技重点研发计划"华南陆内成矿系统的深部过程与物质响应"项目在该区实施了一条密集宽频带地震流动探测剖面，旨在探测其深部结构与物性变化特征和深部成矿背景。本文利用其中江西广昌-湖南浏阳段长320km的宽频带地震流动台站数据开展了远震P波接收函数研究，获得了剖面辖区深部地壳结构和Vp/Vs变化...

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Published in:Acta Petrologica Sinica
Main Authors: ZHANG YongQian, Qingtian Lü, Jiayong Yan, Yao Xu, LIN Ji‐Yan, PI Jiao-long, CHEN Miao, ZHANG WenWen
Format: Article
Language:English
Published: Science Press 2022
Subjects:
Geological and Geophysical Studies
Seismic Waves and Analysis
Seismic Imaging and Inversion Techniques
Jiangnan Orogen
crustal structure
teleseismic receiver functions
Vp/Vs ratio
Moho depth
crustal thickness
metallogeny
Paleo-Pacific subduction
crustal deformation
South China Block
Online Access:https://doi.org/10.18654/1000-0569/2022.02.17
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https://doi.org/10.18654/1000-0569/2022.02.17

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