| 北祁连山银灿铜矿矿床地质特征及成因 |
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| 作者姓名： | 郭周平 赵辛敏 白赟 |
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| 作者单位： | 1. 国土资源部岩浆作用与找矿重点实验室，中国地质调查局西安地质调查中心，陕西 西安 710054;2. 核工业西藏地质调查院，四川 成都 610052 |
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| 基金项目： | 中国地质调查“青海门源县银灿-浪力克1∶5万成矿预测(编号:1212011221043)”项目资助。 |
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| 摘 要： | 银灿铜矿地处于北祁连走廊南山北坡—冷龙岭岛弧带中，矿区出露一套具双峰式火山岩特征的火山沉积建造，矿体主要赋存在石英角斑岩中并存在明显分带，上部为铜矿体向下部变为锌矿体，矿石类型属黄铁矿型多金属矿石，成矿作用过程直接或间接与火山活动有关，是北祁连地区早古生代典型的海相火山岩型块状硫化物矿床。
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| 关 键 词： | 北祁连 银灿铜矿 地质特征 矿床成因 |
| 收稿时间： | 2014-08-28 |
Geological Characteristics and Genesis of Yincan Copper Deposit |
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| Authors: | GUO Zhou-ping ZHAO Xin-min BAI Yun |
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| Institution: | 1. Key Laboratory for the Study of Focused Magmatism and Giant Ore Deposits, MLR, Xi′an Center of China Geological Survey, Xi′an, Shaanxi 710054, China; 2. Tibetan Institute of Geological Survey for Nuclear Industry,Sichuan, Chengdu 610052, China |
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| Abstract: | The Yincan copper deposit located in an island arc belt which stretches from the north slope of South Mountains, Hexi corridor to Lenglong Mountain on North Qilian Orogen. A set of bimodal volcanic sedimentary formation distributed in the mining area. The ore-bodies occurred in the quartz keratophyre with obvious vertical mineralization zoning, the copper orebodies occurred at the top, and the zinc orebodies occurred at the bottom. The ore in this study was a pyrite-type polymetallic ore. The mineralization was directly or indirectly associated with volcanic activities, the deposit was a typical volcanic hosted massive sulfide type and formed in early Paleozoic on North Qilian Orogen. |
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| Keywords: | North Qilian Orogen Yincan copper deposit geological characteristic ore genesis |
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