地质与资源2019,Vol.28Issue(5):443-447,5.
内蒙古中部大黄花夕卡岩型铜多金属矿床特征
MINERALOGIGAL CHARACTERISTICS OF DAHUANGHUA COPPER POLYMETALLIC DEPOSIT IN CERTRAL INNER MONGOLIA
摘要
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 Giddle Jurassic and related to the intrusion of syenogranite,which is consistent with the diagenetic‐metallogenic age of Au‐polymetallic deposits in Chaoyang‐Chifeng area.关键词
铜多金属矿床/成矿时代/夕卡岩型/内蒙古Key words
Cu‐polymetallic deposit/metallogenic age/skarn type/Inner Gongolia分类
天文与地球科学引用本文复制引用
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):443-447,5.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) (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). (DD20160048-04)