Qiufeng Leng
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View article: Geology, geochronology, and exploration of the giant Jiama porphyry copper system (11Mt), Tibet, China: A review
Geology, geochronology, and exploration of the giant Jiama porphyry copper system (11Mt), Tibet, China: A review Open
Jiama, with more than 11 Mt of copper metal, is the largest porphyry-skarn copper system in the Gangdese metallogenic belt, Tibet, China, creating ideal conditions for deciphering the origin of porphyry ores in a collision setting. Despite…
View article: 黎府构造带北部南莫溪蛇绿混杂岩的发现及其地质意义
黎府构造带北部南莫溪蛇绿混杂岩的发现及其地质意义 Open
摘要: 东南亚特提斯构造格架复杂，特别是印支板块西缘琅勃拉邦-黎府构造带构造演化及区域构造线连接更是争议不断. 通过老挝西北部填图工作，首次在黎府构造带北部南莫溪地区发现保存完整的蛇绿混杂岩，为探讨黎府构造带的属性以及区域古地理格局，选取了蛇绿混杂岩中的含放射虫硅质岩、辉长岩以及洋岛海山中的礁灰岩，开展了岩相学、古生物学、锆石LA⁃ICP⁃MS U⁃Pb年代学、岩石地球化学研究. 结果表明，该蛇绿混杂岩出露端元包括蛇纹岩、蛇纹石化橄榄岩、辉长岩、辉绿岩、玄武岩和硅质岩，蛇绿…
View article: Zircon U–Pb and Molybdenite Re–Os Ages of the Lakange Porphyry Cu–Mo Deposit, Gangdese Porphyry Copper Belt, Southern Tibet, China
Zircon U–Pb and Molybdenite Re–Os Ages of the Lakange Porphyry Cu–Mo Deposit, Gangdese Porphyry Copper Belt, Southern Tibet, China Open
The Lakange porphyry Cu–Mo deposit within the Gangdese metallogenic belt of Tibet is located in the southern–central part of the eastern Lhasa block, in the Tibetan Tethyan tectonic domain. This deposit is one of the largest identified by …