Tectono-Metallogenic System in the Altay Orogenic
Belt, China
佚名
【期刊名称】《地质学报(英文版)》 【年(卷),期】2000(074)003
【摘要】The Altay orogenic belt of China is an important metallogenic belt of base metals, rare metals and gold. The main orogenic-metallogenic epoch is the Hercynian (Late Palaeozoic). Hercynian orogeny underwent two tectonic stages: the early volcano-passive continental margin extension (D1- D2) and late subduction-collision (D3- P). There correspondingly developed two different metallogenic systems. One is the stratabound massive sulphide and iron metallogenic system related to volcano-passive continental margin, and the other is the epigenetic gold and granite-associated rare metals system formed by collision. Very few mineralizations were formed during the subduction time. 【总页数】7页(485-491)
【关键词】Hercynian orogeny;tectonic evolution;metallogenic system;Altay of China 【作者】佚名
【作者单位】Beijing Institute of Geology for Mineral Resources, State Bureau of Nonferrous Metals Industry, Andingmenwai, Beijing
Tectono-Metallogenic System in the Altay Orogenic Belt, China
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