内蒙古中部大黄花夕卡岩型铜多金属矿床特征

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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.

Key words： Cu-polymetallic deposit metallogenic age skarn type Inner Mongolia

Received: 21 March 2019

PACS:

P618.41

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	Articles by authors
	LI Wei
	WU Tong
	LIU Miao
	CUI Tian-ri
	CHEN Jing-sheng
	LI Bin
	YANG Fan
	LIU Shi-feng

Cite this article:

LI Wei,WU Tong,LIU Miao等. MINERALOGICAL CHARACTERISTICS OF DAHUANGHUA COPPER POLYMETALLIC DEPOSIT IN CERTRAL INNER MONGOLIA[J]. GEOLOGY AND RESOURCES, 2019, 28(5): 443-447.

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http://manu25.magtech.com.cn/Jweb_dzyzy/EN/ OR http://manu25.magtech.com.cn/Jweb_dzyzy/EN/Y2019/V28/I5/443

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