运积物覆盖区地球化学找矿方法——土壤热磁组分测量

doi:10.11720/wtyht.2019.0041

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Abstract

Aimed at the technical problem of ore-prospecting in transported overburden region, the authors carried out experimental studies of the method of thermalmagnetic component measurement in the known mining areas, which included the Caijiaying hydrothermal type lead-zinc-silver deposit in Hebei Province, the Shaquanzi magmatic copper-nickel sulfide deposit in east Tianshan, and the skarn type iron-copper polymetallic deposit in Yemaquan area. The experimental results of Caijiaying and Shaquanzi area show that, compared with the small and weak anomalies obtained by conventional soil measurement, the surface anomalies measured by thermal-magnetic components are significant, which can well reflect the spatial location and distribution pattern of deep orebodies and have the advantages of strengthening weak anomalies and discovering new ones. The results of the experiment in Yemaquan area show that there are anomalies delineated by thermomagnetic component measurement at the known mining areas with transported sediments covering more than 100 meters. And well matched abnormal elements in space provide a new target area for prospecting in the unknown area. It has been proved by experiments that the thermomagnetic component measurement technology provides an effective method for solving the problem of ore-prospecting in the transported covered region.

Key words： arid and semi-arid region transported overburden geochemical exploration prospecting method thermalmagnetic component measurement

Received: 18 January 2019 Published: 15 August 2019

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	Shi-Xin TANG
	Jian-Jun LI
	Sheng-Ming MA
	Shu-Qi HU

Cite this article:

Shi-Xin TANG,Jian-Jun LI,Sheng-Ming MA, et al. Thermomagnetic component measurement: A geochemical prospecting method for transported overburden region[J]. Geophysical and Geochemical Exploration, 2019, 43(4): 749-757.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2019.0041 OR https://www.wutanyuhuatan.com/EN/Y2019/V43/I4/749

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