中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 地质与地球物理研究所
  3. 中国科学院地质与地球物理研究所
  4. 岩石圈演化国家重点实验室
The deep background of large-scale, Mesozoic Cu-Au-W metallogenesis in northeastern South China: Constraints from Yingshan-Changshan wide-angle seismic reflection/refraction data

文献类型：期刊论文

作者Hou, Jue4,5,7; Xu, Tao3,7; Lu, Qingtian6; Bai, Zhiming3,7; Zhang, Yongqian6; Zhang, Zhiyu2; Yang, Dan1
刊名SCIENCE CHINA-EARTH SCIENCES
出版日期2022-09-20
页码17
ISSN号1674-7313
关键词Northeastern South China Metallogenic belt of the middle and lower reaches of the Yangtze River Wide-angle seismic reflection refraction Yingshan-Changshan seismic profile Crustal velocity structure
DOI10.1007/s11430-022-9973-4
英文摘要To investigate the geodynamic processes of Mesozoic large-scale mineralization in South China, we deployed a 350-km-long, wide-angle seismic reflection/refraction sounding profile between Yingshan in Hubei and Changshan in Zhejiang. This profile traverses the Cu-Au metallogenic belt in the middle and lower reaches of the Yangtze River (YMB), the Jiangnan W-polymetal metallogenic belt (JNMB), and the Qinhang Cu-polymetal metallogenic belt (QHMB). Our imaging results reveal various interesting velocity features along the profile. (1) The velocity structure is characterized by vertical layering and horizontal blocking; (2) the YMB is marked by high velocity and high V-p/V-s ratios in general with a significantly uplifted Moho interface and a thin crust of similar to 31 km, and the lower crust contains high-velocity anomalies and has the characteristics of a crust-mantle transition zone; (3) the JNMB is bounded by the Jiangnan fault and Jingdezhen-Huangshan fault and has low-velocity anomalies and low V-p/V-s ratios; and (4) the QHMB is characterized by high-velocity anomalies and high V-p/V-s ratios. The high-velocity anomalies in the YMB and QHMB represent relatively Cu-Au-rich mafic juvenile lower crust. The formation of this kind of crust is considered to be related to mantle-derived magma underplating or residues of Neoproterozoic oceanic crustal materials, and it also provided sources for large-scale Cu-Au mineralization in the Mesozoic. The JNMB has features similar to those of ancient crusts enriched in W-Sn, the partial melting of which played a leading role in the formation of the superlarge W deposits in this belt. Considering these results and other regional geological data, we propose that a large-scale oblique upwelling of the asthenosphere along the collisional belt of the Yangtze and Cathaysia blocks during the Mesozoic was the deep driving mechanism for the explosive mineralization of Cu, Au, and W in northeastern South China. The boundaries of the blocks or terrains and discontinuities of the lithosphere were the main channels for deep heat and magmas and therefore controlled the spatial distribution of the metallogenic belt.
WOS关键词LOWER YANGTZE-RIVER ; CRUSTAL STRUCTURE BENEATH ; EAST-CENTRAL CHINA ; TAN-LU FAULT ; SURROUNDING AREAS CONSTRAINTS ; DAHUTANG TUNGSTEN DEPOSIT ; WAVE VELOCITY STRUCTURE ; LOWER REACHES ; TECTONIC EVOLUTION ; OROGENIC BELT
资助项目National Key R&D Program of China[2019YFA0708602] ; National Key R&D Program of China[2019YFA0708603] ; National Key R&D Program of China[2016YFC0600201] ; National Natural Science Foundation of China[42130807] ; National Natural Science Foundation of China[42074099] ; China Geological Survey[1212011220243]
WOS研究方向Geology
语种英语
出版者SCIENCE PRESS
WOS记录号WOS:000859163300002
资助机构National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Geological Survey ; China Geological Survey ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Geological Survey ; China Geological Survey ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Geological Survey ; China Geological Survey ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey ; China Geological Survey ; China Geological Survey ; China Geological Survey
源URL[http://ir.iggcas.ac.cn/handle/132A11/108322]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Xu, Tao
作者单位1.China Acad Geol Sci, Inst Mineral Resources, Beijing 100037, Peoples R China
2.China Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.China Earthquake Adm, Inst Geophys, Beijing 100081, Peoples R China
6.China Acad Geol Sci, Beijing 100037, Peoples R China
7.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Hou, Jue,Xu, Tao,Lu, Qingtian,et al. The deep background of large-scale, Mesozoic Cu-Au-W metallogenesis in northeastern South China: Constraints from Yingshan-Changshan wide-angle seismic reflection/refraction data[J]. SCIENCE CHINA-EARTH SCIENCES,2022:17.
APA Hou, Jue.,Xu, Tao.,Lu, Qingtian.,Bai, Zhiming.,Zhang, Yongqian.,...&Yang, Dan.(2022).The deep background of large-scale, Mesozoic Cu-Au-W metallogenesis in northeastern South China: Constraints from Yingshan-Changshan wide-angle seismic reflection/refraction data.SCIENCE CHINA-EARTH SCIENCES,17.
MLA Hou, Jue,et al."The deep background of large-scale, Mesozoic Cu-Au-W metallogenesis in northeastern South China: Constraints from Yingshan-Changshan wide-angle seismic reflection/refraction data".SCIENCE CHINA-EARTH SCIENCES (2022):17.

入库方式： OAI收割

来源：地质与地球物理研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。