投稿时间：2013-02-05
修订日期：2013-06-13
网络发布日期：2013-10-29
中文摘要:通过对金川铜镍硫化物矿床中58号矿体地质特征、亲铜和亲铁元素地球化学特征等方面的研究,发现其具有不同于24号矿体、1号矿体和2号矿体的地质和地球化学特征。58号矿体产于Ⅲ号岩体上盘围岩中,矿体总体走向为NNE,倾向NW。与金川矿床其他几个矿体比较,该矿体具较高的Cu、Ni和PGE含量。研究独立的58号矿体对全面理解整个金川超基性岩体的成矿规律,指导今后找矿工作具有重要意义。笔者认为58号矿体的硫化物是从PGE微弱亏损的苦橄质岩浆中熔离出来的,其硫化物熔体具有不同的分异演化过程。
Abstract:The study of No. 58 ore body is not only very important for understanding the formation and distribution of the Cu-Ni sulfide ore bodies at Jinchuan but also significant for further exploration. Studies indicate that the geology and siderophile and chalcophile element geochemistry of No. 58 ore body are different from those of No. 24, No. 1 and No. 2 ore bodies. The NNE-striking elongate No. 58 ore body was emplaced in the hanging wall of Segment Ⅲ and dips northwestward. Compared with other major ore bodies of the Jinchuan deposit, No. 58 ore body has higher Cu, Ni and PGE content and its sulfide was produced by secondary sulfide segregation picritic magma slightly depleted in PGE, with the sulfide experiencing fractional crystallization in various degrees.
文章编号：
中图分类号：P618.41;P618.63
文献标志码：
基金项目:本研究受到矿床地球化学国家重点实验室项目(编号:SKLODG-ZY125-06)和国家自然科学基金项目(40973038,41003022和41172090)的资助
引用文本：
江金进,陈列锰,宋谢炎,符志强,王亮,卢建全,艾启兴,李辉.2013.金川铜镍矿床58号矿体亲铜和亲铁元素特征及其地质意义[J].矿床地质,32(5):941~953JIANG JinJin,CHEN LieMeng,SONG XieYan,FU ZhiQiang,WANG Liang,LU JianQuan,AI QiXing,LI Hui.2013.Siderophile and chalcophile element geochemistry of No. 58 ore body in Jinchuan Cu-Ni sulfide deposit and its geological significance[J].Mineral Deposits32(5):941~953
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