| 东昆仑德尔尼矿床中矿床(体)的叠加成矿作用研究 |
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| 引用本文： | 宋忠宝,王轩,任有祥,栗亚芝,王凯,陈向阳,陈博,王升勤,高永宝,李丽.东昆仑德尔尼矿床中矿床(体)的叠加成矿作用研究[J].西北地质,2007,40(4):1-6. |
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| 作者姓名： | 宋忠宝 王轩 任有祥 栗亚芝 王凯 陈向阳 陈博 王升勤 高永宝 李丽 |
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| 作者单位： | 1. 西安地质矿产研究所,陕西,西安,710054
2. 陕西省国土资源规划与评审中心,陕西,西安,710054 |
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| 基金项目： | 青海省威斯特铜业有限责任公司资助项目 |
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| 摘 要： | 德尔尼大型钴铜矿床是一个以海底喷流-沉积成矿为主体,以后期叠加成矿为特色的复合成矿作用的矿床。其叠加成矿作用,则以钴矿(化)体的"套鞋状"产出和磁黄铁矿的"薄层外壳"为标志,以赋矿超基性岩与工业矿体接触处发生的蚀变作用、星点状磁铁矿的消失或净化,以及镍元素带入为支撑点体现出来的,它昭示了超基性岩体在叠加成矿过程中对德尔尼矿床成矿作用的某种贡献。
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| 关 键 词： | 德尔尼铜矿 矿床成因 海底喷流-沉积 叠加成矿 |
| 文章编号： | 1009-6248（2007）04-0001-06 |
| 收稿时间： | 2007-06-12 |
| 修稿时间： | 2007-09-19 |
Superimposed Mineralization of Deerni Co-Cu Deposit, East Kunlun Mountains, NW China |
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| SONG Zhong-bao,WANG Xuan,REN You-xiang,LI Ya-zhi,WANG Kai,CHEN Xiang-yang,CHEN Bo,WANG Sheng-qin,GAO Yong-bao,LI Li.Superimposed Mineralization of Deerni Co-Cu Deposit, East Kunlun Mountains, NW China[J].Northwestern Geology,2007,40(4):1-6. |
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| Authors: | SONG Zhong-bao WANG Xuan REN You-xiang LI Ya-zhi WANG Kai CHEN Xiang-yang CHEN Bo WANG Sheng-qin GAO Yong-bao LI Li |
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| Abstract: | The Deerni large Co-Cu deposit was mainly formed by submarine exhalative-sedimentation and also enriched by late-stage superimposed mineralization. The superimposed mineralization is indicated by occurrence of Co orebodies in the shape of overshoes and pyrrhotite thin shell. Also,it is characterized by alteration,disappearance or purification of sparsely disseminated magnetite and participation of Ni in the contact sites of ore-bearing ultrabasic rocks and industrial orebodies,with the criteria of Co overshoes and,All these phenomena indicate that the ultrabasic rocks have made certain contribution to the mineralization of the Deerni deposit. |
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| Keywords: | Deerni Co-Cu deposit ore deposit genesis submarine exhalative-sedimentation superimposed mineralization |
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