青藏高原北部成矿带划分
Division of Metallogenic Belts in the Northern Qinghai-Tibet Plateau
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摘要: 青藏高原北部地质构造复杂,成矿条件优越,金属矿产资源成群成带分布特征明显,研究程度相对较低.通过对1999年以来,在青藏高原北部空白区相继完成的1:25万区域地质调查、1:5万区域地质调查和一批1:50万、1:20万区域化探成果资料的综合研究,根据青藏高原北部金属矿产资源的时、空分布特征,结合区域物、化探资料和区域成矿地质背景,将青藏高原北部地区初步划分为3个Ⅰ级成矿带(域),5个Ⅱ级成矿带,9个Ⅲ级成矿带,对以后青藏高原北部地区地质矿产勘查评价工作具有十分重要的意义.Abstract: The northern Qinghai-Tibet Plateau is characterized with complex tectonics and excellent mineralization conditions forming mineral zones.However, the geological study is still in a relatively low level.By carrying out a comprehensive regional geological studies since 1999, including 1:250000 and 1:50000 geological investigation, and 1:50000 and 1:200000 regional geochemical exploration in the region, the northern Qinghai-Tibet Plateau can be divided into 3 grade Ⅰ, 5 grade Ⅱ and 9 grade Ⅲ metallogenic belts according to the temporal and spatial distribution.This is significant for the future mineral exploitation and evolution in the region.
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Keywords:
- northern Qinghai-Tibet Plateau /
- metallogenic belt /
- division
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