| 内蒙古中部大黄花夕卡岩型铜多金属矿床特征 |
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| 引用本文： | 李伟,吴桐,刘淼,崔天日,陈井胜,李斌,杨帆,刘世峰.内蒙古中部大黄花夕卡岩型铜多金属矿床特征[J].地质与资源,2019,28(5):443-447. |
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| 作者姓名： | 李伟 吴桐 刘淼 崔天日 陈井胜 李斌 杨帆 刘世峰 |
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| 作者单位： | 1. 中国地质调查局 沈阳地质调查中心, 辽宁 沈阳 110034;2. 辽宁工程技术大学矿业学院, 辽宁 阜新 123000 |
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| 基金项目： | 国家自然科学基金青年科学基金项目"大兴安岭中段龙江盆地中侏罗统地层新研究"（41702032）；中国地质调查局项目"内蒙古1：5万乌日图呼布等四幅区域地质调查"（DD20160048-04）. |
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| 摘 要： | 大黄花铜多金属矿位于赤峰-朝阳金多金属成矿带南部，矿化发生在燕山期正长花岗岩与石炭系酒局子组大理岩接触部位，局部构成铜（铁）矿体.夕卡岩矿物主要为石榴石、透辉石、透闪石、绿帘石、绿泥石、角闪石及阳起石，金属矿物有黄铜矿、辉铜矿、黝铜矿、斑铜矿、铜蓝及氧化次生矿物蓝铜矿、孔雀石、褐铁矿.围岩蚀变强烈，呈现清晰的蚀变分带现象，自接触带向外可分为较强的透闪石-阳起石化带，较强的透闪石-透辉石化带，弱蚀变的大理岩化带.金属元素组合特征明显，为Cu、Pb、Zn、Au、Ag组合.该铜多金属矿的形成与正长花岗岩的侵入作用有关，成矿时代为中侏罗世晚期，与朝阳-赤峰地区金多金属矿成岩成矿时代一致.
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| 关 键 词： | 铜多金属矿床 成矿时代 夕卡岩型 内蒙古 |
| 收稿时间： | 2019-03-21 |
MINERALOGICAL CHARACTERISTICS OF DAHUANGHUA COPPER POLYMETALLIC DEPOSIT IN CERTRAL INNER MONGOLIA |
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| LI Wei,WU Tong,LIU Miao,CUI Tian-ri,CHEN Jing-sheng,LI Bin,YANG Fan,LIU Shi-feng.MINERALOGICAL CHARACTERISTICS OF DAHUANGHUA COPPER POLYMETALLIC DEPOSIT IN CERTRAL INNER MONGOLIA[J].Geology and Resources,2019,28(5):443-447. |
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| Authors: | LI Wei WU Tong LIU Miao CUI Tian-ri CHEN Jing-sheng LI Bin YANG Fan LIU Shi-feng |
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| Institution: | 1. Shenyang Center of Geological Survey, CGS, Shenyang 110034, China;2. Mining School of Liaoning Technical University, Fuxin 123000, Liaoning Province, China |
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| Abstract: | The Dahuanghua Cu-polymetallic deposit is located in the south of Chifeng-Chaoyang Au-polymetallic metallogenic belt. The mineralization is occurred in the contact between Yanshanian syenogranite and Carboniferous Jiujuzi marble with Cu/Fe orebodies formed locally. The skarn minerals are mainly composed of garnet, diopside, tremolite, epidote, chlorite, hornblende and actinolite; while the metal minerals include chalcopyrite, chalcocite, tetrahedrite, bornite, covellite and oxidized secondary minerals such as azurite, malachite and limonite. The wall rock alteration is intensive, presenting a clear zonation:strongly-altered tremolite-actinolite zone, strong tremolite-diopside alteration zone, and weakly-altered marble zone outwards from the contact zone. The metallic element association of Cu-Pb-Zn-Au-Ag is obvious. This Cu-polymetallic deposit was formed in the late period of Middle Jurassic and related to the intrusion of syenogranite, which is consistent with the diagenetic-metallogenic age of Au-polymetallic deposits in Chaoyang-Chifeng area. |
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| Keywords: | Cu-polymetallic deposit metallogenic age skarn type Inner Mongolia |
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