| 柴达木盆地南缘祁漫塔格—鄂拉山地区斑岩-矽卡岩矿床地质 |
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| 引用本文：吴健辉,丰成友，张德全，李进文，佘宏全.2010.Geology of porphyry and skarn type copper polymetallic deposits in southern margin of Qaidam Basin[J].Mineral Deposits,29(5):760~774 |
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| 基金项目:本文得到中央级公益性科研院所基本科研业务费专项资金项目（编号：K0901）、“十一五”国家科技支撑计划课题（编号：2006BAB01A06）和国土资源部百名优秀青年科技人才计划的联合资助 |
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| 中文摘要:柴达木盆地南缘祁漫塔格-鄂拉山地区发育斑岩-矽卡岩型铜多金属矿床，成矿主元素为Cu、Mo、Pb、Zn，大部分矿床伴生Au、Ag。斑岩型和矽卡岩型矿（化）体共生于同一个矿区之中，是这类矿床的一个重要特点。与成矿有关的侵入体是印支期的中酸性小岩体，它们具有浅成_超浅成和高侵位等特点。斑岩-矽卡岩矿床的成岩年龄和成矿年龄一致，形成于中三叠世至晚三叠世。它们是东昆仑造山带晚碰撞造山阶段壳-幔作用（幔源岩浆底侵-岩浆混合）的产物，与东昆仑地区这一时期的矽卡岩型铁多金属矿床、热液脉状多金属矿床，以及造山型金矿床共同构成了一个矿床成矿系列。 |
| 中文关键词:地质学 斑岩矿床 矽卡岩矿床 柴达木盆地南缘 |
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| Geology of porphyry and skarn type copper polymetallic deposits in southern margin of Qaidam Basin |
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| Abstract:Copper polymetallic deposits of porphyry and skarn type are well developed in southern margin of the Qaidam Basin, whose ore-forming elements are mostly copper, molybdenum, lead and zinc with accompanying elements of gold and silver. A prominent feature of such ore deposits is that mineralizations of porphyry type and skarn type coexist in the same ore deposit. Intrusive rocks related to mineralization are Indosinian intermediate-acid small intrusive bodies assuming hypabyssal and high-level emplacement features. Rock-forming and ore-forming ages of these deposits are consistent, being Middle to Late Triassic. They were formed under the crust-mantle interaction during the late collision of East Kunlun orogeny, forming a metallogenic series with skarn-type iron polymetallic deposits and hydrothermal veinlike polymetallic deposits and orogenic gold deposits of this stage. |
| keywords:geology, porphyry deposit, skarn deposit, southern margin of the Qaidam Basin |
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