斑岩铜矿床在东特提斯成矿域中的时空分布特征
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本文为国家自然科学重点基金(编号 40730419)、国家基础研究计划973项目(编号 2002CB412600)、国家科技支撑计划项目(编号 2006BAB01A08)、地质调查项目(编号 1212010818096)资助的成果。


The Temporal and Spatial Distribution of Porphyry Copper Deposits in the Eastern Tethyan Metallogenic Domain:A Review
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    摘要:

    已有的斑岩铜矿床成矿模型多是建立在环太平洋地区矿床资料的基础上,相对而言,特提斯成矿域中的斑岩铜矿床还有待梳理和总结。本文以特提斯构造演化与成矿为主线,将东特提斯成矿域中的斑岩铜矿床空间上划分为土耳其Pontides、伊朗中部SahandBazman、巴基斯坦Chagai、中国玉龙、中甸、班公湖、冈底斯7条成矿带和中南半岛、土耳其Anatolides地块2个成矿区;时间上分别对应于早三叠世、晚三叠世、白垩纪中期、白垩纪末—古新世初、中始新世、中中新世等6个时段;构造背景分别为古、新特提斯洋盆俯冲或俯冲后的碰撞;讨论认为SahandBazman铜矿带的形成背景与玉龙成矿带可对比。

    Abstract:

    The porphyry copper deposits in the Tethyan metallogenic domain (TMD) are much more poorly documented in contrasting to those in the circumPacific area, from which a classical metallogenic model of porphyry copper deposits was synthesized. Here we try to classify spatially the porphyry copper deposits in the eastern TMD into seven belts basing on previously published data. Besides, two areas were suggested where those deposites without obvious tectonic setting were enclosed. These belts are: Pontides in Turkey, SahandBazman in Central Iran, Chagai in Pakistan, Yulong, Zhongdian, Bangonghu, and Gangdese in China, respectively; and the two areas are SE Asia and Anatolides in Turkey respectively. According to published geochronological data, the porphyry copper deposits can be merged into six main metallogenic epochs: the Early Triassic, Late Triassic, middle Cretaceous, Late CretaceousEarly Paleocene, middle Eocene, and middle Miocene, which were related with the subduction of the Paleo, and NeoTethyan Oceans and subsequent collisions respectively. Of these belts, the SahandBazman and the Yulong belts were quitely comparable; both formed in the same latecollisional transformation settings.

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张洪瑞,,侯增谦,,宋玉财,,李政,,杨志明,,王召林,,王晓虎,,王淑贤.2009.斑岩铜矿床在东特提斯成矿域中的时空分布特征[J].地质学报,83(12):1818-1837.
ZHANG Hongrui,,HOU Zengqian,,SONG Yucai,,LI Zheng,,YANG Zhiming,,WANG Zhaolin,,WANG Xiaohu,,WANG Shuxian.2009. The Temporal and Spatial Distribution of Porphyry Copper Deposits in the Eastern Tethyan Metallogenic Domain:A Review[J]. Acta Geologica Sinica,83(12):1818-1837.

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  • 收稿日期:2009-08-15
  • 最后修改日期:2009-10-10
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