矿床地质:2022,Vol.>>Issue(3):449-468

兴蒙造山带中与古亚洲洋演化有关的成矿系统初步研究
北京大学地球与空间科学学院, 造山带与地壳演化重点实验室, 北京 100871
Study on ore-forming systems related with evolution of Paleo-Asian ocean in Xing-meng orogenic belt
ZHU YongFeng,ZHANG YunDi,JIANG JiuYang,LU GuoLong
(Key Laboratory of Orogenic Belt and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing 100871, China)
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投稿时间:2021-11-03   修订日期:2022-04-14      网络发布日期:2022-07-07
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。
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.
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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
引用文本:
朱永峰,张云迪,蒋久阳,陆国隆.2022.兴蒙造山带中与古亚洲洋演化有关的成矿系统初步研究[J].矿床地质,41(3):449~468
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 Deposits41(3):449~468
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