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地质学报  2009 

西南三江成矿带中南段金属矿床成矿规律与若干问题探讨

, PP. 1365-1375

Keywords: 西南三江,成矿带,成矿规律,古特提斯,造山带

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Abstract:

三江中南段地区地质构造演化复杂,古特提斯演化过程和陆内汇聚造山过程均伴随大规模的成矿作用,但是其涉及的空间范围不同,统一进行成矿带划分不能清晰地反映区域成矿规律。本次工作按前寒武纪、古特提斯阶段和陆内造山阶段进行了成矿带划分,提出了新的划分方案。系统提出了经过三江中南段地区至东南亚的5条展布千余公里长的大型成矿带:大理-哀牢山Cu、Ni、PGE成矿带,兰坪--思茅盆地铅锌、银铜钴、汞锑多金属成矿带,金沙江-哀牢山铜金矿带,东南亚锡矿带西带和中带。在此基础上探讨了成矿带中存在的若干地质问题。

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