A multi-metallogenetic belt extending 550,000 square kilo-metres has been located in the Yunnan-Tibet-Sichuan-Qinghai border area of southwest and northwest China.The deposits offer good prospects...
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A multi-metallogenetic belt extending 550,000 square kilo-metres has been located in the Yunnan-Tibet-Sichuan-Qinghai border area of southwest and northwest China.The deposits offer good prospects...