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Ore-Forming Age of Molybdenite Deposit in the Sanchagou Gold Ore Area and Prospecting Direction in the Zhongtiao Mountain Region

详细信息

责任者：Zhao Bin (Chang’an University ; Xi’an 710054 ; China) ; Chen Yuchuan
刊名：Acta Geologica Sinica
出版年：2009
卷期：83(9)
关键词：斑岩钼矿床 ; porphyry molybdenum deposit ; 中条山 ; Zhongtiao Mountains
页码：p.1335-1343
图表：5 illus., 2 tables, 19 refs.
分类号：1001
issnNo：ISSN0001-5717
isbnNo：CN11-1951/P

摘要

Molybdenite deposit located in the Sanchagou gold ore area was analyzed by Re-Os isotopic dating, yielding a new data of 1823±23Ma. The result indicates that the molybdenite of the Sachagou gold deposit formed at the late Paleoproterozoic period. Combined with the molybdenite Re-Os age of copper deposits in the Zhongtiaoshan area, it can be inferred that the Zhongtiao Movement (Lüliang period) was the important molybdenum metallogenic period. Therefore, the Re-Os age of molybdenite in the Lüliang period not only provides evidence for existence of the Pre-Cambrian metallogenic period, but also shows the prospecting direction to find molybdenum deposits and the metamorphic porphyry-type copper-molybdenum ore in this area.

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