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Report of Regional Geological Survey of China: Pa Du Cuo
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Report of Regional Geological Survey of China: Pa Du Cuo
中华人民共和国区域地质调查报告 帕度错幅(I45C004003)(1:250,000)
Language:  Chinese
Author:  Wang Yongsheng
Pub. Date:  2012-11 Weight:   kg ISBN:  9787562525301
Format:  Soft Cover Pages:  
Subject:  Earth Science > Geology > Geological Maps
Series:  Series of Geological Survey Achivement of Qinghai-Xizang Plateau Size:  
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       调查区位于青藏高原腹地羌塘盆地南部,俗称南羌塘,面积约15650km2。本次调查主要成果:厘定了测区地层分区,建立了测区的地层划分系统,合理解体了肖茶卡群、木嘎岗日岩群.在南羌塘北缘首次采到早三叠世牙形刺化石,新建孜狮桑组,在上三叠统姜钟组中采到南方型植物群的重要分子,属西藏首次发现;将早白垩世花岗岩解体为5个侵入岩填图单元,记录了班怒洋俯冲消减-碰撞造山的构造演化过程.初步确定了班怒带的北界,提出了区内班怒洋曾在中侏罗世末一度闭合,最终闭合于早白垩世末期的新认识;加强了矿产调查工作,新发现金铜矿点2处、锑矿点1处、砂金矿点1处,各类矿化点8处。对测区生态环境、草场环境进行了概略评价,提出了保护利用的建议。

 






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