关于胶西北金矿成矿地球化学机制的思考

doi:10.11720/wtyht.2019.0198

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Abstract

The borehole rock measurement of Jiaojia, Haiyu and Dayingezhuang gold deposits in northwest Jiaodong gold province shows that the multi-attribute geochemical anomaly system, which consists of mineralizer element S, major element Na₂O and ore-forming element Au, progressively indicates the gold ore-forming conditions, metallogenic prospect and geochemical basis for deep prospecting. Through a study of formation mechanism of multi-attribute geochemical anomaly, this paper puts forward the geochemical mechanism of gold mineralization in northwest Jiaotong gold province, which can be summarized as ore source, sulfur enrichment, recombination, fluid and heat, coupling and centripetal. Based on the study of 40 experimental areas, the authors hold that the ore-forming geochemical mechanism of the Jiaojia-type gold deposits and the other hydrothermal metallic mineral deposits is the innovation and development of theory and method on the exploration geochemistry application.

Key words： northwest Jiaodong gold mineralization geochemical mechanism

Received: 08 April 2019 Published: 25 October 2019

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	Articles by authors
	Sheng-Ming MA
	Li-Xin ZHU
	Liang-Liang ZHANG
	Jian WANG

Cite this article:

Sheng-Ming MA,Li-Xin ZHU,Liang-Liang ZHANG, et al. Thoughts on the geochemical mechanism of gold mineralization in the northwest Jiaodong gold province[J]. Geophysical and Geochemical Exploration, 2019, 43(5): 925-931.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2019.0198 OR https://www.wutanyuhuatan.com/EN/Y2019/V43/I5/925

Simplified geological map of the northwest Jiaodong gold province showing the distribution of gold deposits

The spatial distribution map of Sanshandao-Cangshang, Longkou-laihzou and Zhaoyuan-Pingdu fault belts

The texture and structure of altered rock on the hanging wall(a) and footwall(b) of Jiaojia gold deposit

The REE distribution pattern of altered rock on the hanging wall and footwall of Jiaojia gold deposit

The REE distribution pattern of altered rock and the granite on the footwall of Jiaojia gold deposit

The Au anomaly map of borehole rock measurement in line 128 of Jiaojia gold deposit

The S anomaly map of borehole rock measurement in line 128 of Jiaojia gold deposit

The Na₂O negative anomaly map of borehole rock measurement in line 128 of Jiaojia gold deposit

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