兴蒙造山带中与古亚洲洋演化有关的成矿系统初步研究
Received:November 03, 2021  Revised:April 14, 2022  点此下载全文
引用本文:ZHU YongFeng,ZHANG YunDi,JIANG JiuYang,LU GuoLong.2022.Study on ore-forming systems related with evolution of Paleo-Asian ocean in Xing-meng orogenic belt[J].Mineral Deposits,41(3):449~468
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Author NameAffiliation
ZHU YongFeng Key Laboratory of Orogenic Belt and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing 100871, China 
ZHANG YunDi Key Laboratory of Orogenic Belt and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing 100871, China 
JIANG JiuYang Key Laboratory of Orogenic Belt and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing 100871, China 
LU GuoLong Key Laboratory of Orogenic Belt and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing 100871, China 
基金项目:本文得到国家自然科学基金项目(编号:42072077)和国家重点研发计划(编号:2017YFC0601302)共同资助
中文摘要:古亚洲洋演化过程中在兴蒙造山带中形成了大量金属矿床。早古生代早期,古亚洲洋向北俯冲,形成了奥陶纪多宝山-铜山斑岩Cu-Au成矿系统;早古生代晚期,古亚洲洋向南俯冲并形成了晚奥陶世白乃庙Cu-Mo-Au成矿系统和志留纪别鲁乌图海底喷流块状硫化物成矿系统。古亚洲洋在晚古生代早期向北俯冲,形成了晚泥盆世欧玉陶勒盖Cu-Au成矿系统。基本同时,古亚洲洋向南俯冲,形成了晚泥盆世哈达门沟Mo成矿系统。早石炭世,研究区构造体制从岛弧环境逐渐转变为陆内伸展环境,并在此过程中形成了豆荚状铬铁矿成矿系统和小型斑岩Mo-Cu成矿系统。
中文关键词:地质学  古亚洲洋  兴蒙造山带  斑岩矿床  多金属矿床  成矿系统
 
Study on ore-forming systems related with evolution of Paleo-Asian ocean in Xing-meng orogenic belt
Abstract:Abundant metal deposits formed during the evolution of the Paleo-Asian ocean in the Xing-meng orogenic belt. The northward subductions of the Paleo-Asian ocean during the early Early Paleozoic formed the Ordovician Duobaoshan-Tongshan Cu-Au porphyry ore-forming system. The southward subductions of the Paleo-Asian ocean during the late Early Paleozoic formed the late Ordovician Bainaimiao Cu-Mo-Au ore-forming system and Silurian Bieluwutu VHMS ore-forming system. During the early Late Paleozoic, the northward subductions of the Paleo-Asian ocean formed the late Devonian Oyu Taolgoi porphyry Cu-Au ore-forming system. In the same period, the southward subductions of the Paleo-Asian ocean formed the late Devonian Hadamengou Mo ore-forming system. Tectonic pattern changed to extensional environment during Early Carboniferous periods, and formed podiform chromite and small porphyry Mo-Cu ore-forming systems.
keywords:geology  Paleo-Asian ocean  Xing-meng orogenic belt  porphyry deposit  polymetallic deposit  ore-forming system
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