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矿床地质  2003 

滇西北中甸斑岩及斑岩铜矿

Keywords: 地质学,斑岩,斑岩铜矿,大型矿床,中甸,滇西北

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Abstract:

在较为详细的野外地质观测和精确的同位素测年的基础上,结合前人资料,将中甸地区的印支期岛弧斑岩体分为东、西两个斑岩带,东斑岩带形成于218~203Ma;西斑岩带形成于242.92~237.5Ma。喜马拉雅期(53.02Ma)斑岩叠加于早期的斑岩体之上,与斑岩铜矿化关系密切。中甸地区岛弧带内东、西两个斑岩带的斑岩型铜矿找矿远景极大,尤以东斑岩带前景最佳,普朗斑岩铜矿床远景规模在大型以上。中甸斑岩铜矿将成为我国又一重要的斑岩铜(多金属)矿产地。

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