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地质学报  2007 

哈密地区新发现铜镍硫化物矿床成岩成矿时代的测定及讨论

, PP. 526-530

Keywords: 铜镍硫化物矿床,Re-Os同位素定年,天宇,坡北,白石泉,新疆

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Abstract:

新疆东天山地区是我国一个重要的铜镍硫化物矿床密集区,近年来又取得了地质找矿的新进展,如白石泉、天宇和图拉尔根等。本文利用Re-Os同位素定年新技术,分别测定了天宇、坡北和白石泉3处铜镍硫化物矿产地的成岩成矿年龄,各自获得了835Ma、410Ma和286Ma的等时线年龄,表明东天山地区与基性超基性岩有关的铜镍硫化物矿床成矿作用不只是集中在海西一个时期,从而为地质找矿提出了新的方向。

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