中国北方大陆及邻区岩石圈演化及与大规模成矿作用关系
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国家科学技术部国际科技合作重点项目(2007DFA21380)、“十一五”国家科技支撑计划重大项目(2006BAB01A03)、中国地质调查局地质大调查项目(1212010811066、1212010813046、1212010711814)和国家自然科学基金项目(40572063)联合资助。


Relationship of the evolution of the lithosphere to large-scale mineralization in the continent of northern China and adjacent areas
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    摘要:

    提要:根据地质和地球物理特征,中国北方大陆可区分为造山带型和裂谷型两类岩石圈,其中造山带型又可区分出分别代表古生代、中生代和新生代物质结构的造山带型岩石圈:在从空间上,自西向东分别由以天山为代表的新生代造山带型、以额济纳旗为代表的古生代造山带型、以大兴安岭为代表的燕山期造山带型和张广才岭为代表的新生代裂谷型岩石圈组成,反映了古生代形成的中亚造山带在中新生代大陆动力学过程中的分异演化,导致不同类型岩石圈形成和陆壳、岩石圈地幔物质组成、结构的不均一性,以及构成大规模成矿作用大体上以E110°为界,西部主要为晚古生代,东部主要为中生代的格局。简要讨论了不同岩石圈类型的壳幔物质、结构的地质含义,以及区域找矿方向和深部找矿空间问题。

    Abstract:

    Abstract:Based on geological and geophysical characteristics, the authors recognized two kinds of lithospheres in northern China, which are orogeny-type lithosphere and rift-type lithosphere, and the former can be divided into three orogeny-types of lithospheres, representing Paleozoic, Mesozoic and Cenozoic substantial structures respectively. In space, these orogeny-type lithospheres are composed of Cenozoic orogeny-type, Paleozoic orogeny-type, Yanshanian orogeny-type and Cenozoic rift-type lithospheres, represented respectively by Tianshan, Ejin Banner, Da Hinggan Ling and Zhangguangcai Ling. These phenomena reflect the differential evolution of the Central Asia orogenic zone formed in Paleozoic during the Meso-Cenozoic continental dynamic process, which led to the formation of different types of lithosphere and nonuniformity of the materials and structures of the continental crust and the mantle as well as the large-scale mineralization. These activities on the whole have E110° as the boundary, with the western part being mainly of the Late Paleozoic pattern and the eastern part of the Mesozoic pattern. Some important problems are also discussed briefly in this paper, such as geological implications of the crust-mantle structures in different types of lithospheres and regional orientation and deep space for ore prospecting.

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邱瑞照 周 肃 谭永杰 祁世军 高 鹏 李文渊 陈秀法 王靓靓 陈 正 元春华 韩九曦 王圣文 冯艳芳. 中国北方大陆及邻区岩石圈演化及与大规模成矿作用关系[J]. 中国地质, 2009, 36(3): 544-563.
QIU Rui-zhao, ZHOU Su, TAN Yong-jie, QI Shi-jun, GAO Peng, LI Wen-yuan, CHEN Xiu-fa, WANG Liang-liang, CHEN Zheng, YUAN Chun-hua, HAN Jiu-xi, WANG Sheng-wen, FENG Yan-fang. Relationship of the evolution of the lithosphere to large-scale mineralization in the continent of northern China and adjacent areas[J]. Geology in China, 2009, 36(3): 544-563(in Chinese with English abstract).

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  • 在线发布日期: 2013-03-18
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