综合物探在会宁县罐子峡M区块石墨矿勘查中的应用

doi:10.11720/wtyht.2021.2400

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Abstract

The Guanzixia M exploration area in Huining County is located in the hilly and gully area of the Loess Plateau,which has a good prospect of prospecting for graphite ore. Firstly, graphite ore metallogenic conditions in the exploration area are analyzed. Then, the geophysical work is carried out in the favorable area of graphite mineralization. Adopting the dual frequency induced polarization intermediate gradient to measure the apparent amplitude frequency, apparent resistivity and the natural electric field adopted to measure natural,the two methods are used to delineate graphite mineralization anomalies,which are characterized by high amplitude frequency, low apparent resistivity and negative anomaly of natural potential. On this basis, the induced polarization sounding is used to find out the spatial distribution characteristics of mineralized anomalous bodies, and provides evidence for drilling through various methods. It has been verified by drilling that 2 layers of graphite ore are drilled, and obtained good exploration results.

Key words： graphite ore exploration mineralization anomaly dual frequency induced polarization intermediate gradient profile measurement natural electric field potential measurement induced polarization sounding

Received: 11 March 2020 Published: 27 July 2021

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	Hai-Chuan SUN
	Xing-Rong XU
	Ya-Feng WANG

Cite this article:

Hai-Chuan SUN,Xing-Rong XU,Ya-Feng WANG. The application of integrated geophysical method to the exploration of Guanzixia graphite ore deposit in M area of Huining County[J]. Geophysical and Geochemical Exploration, 2021, 45(3): 653-660.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2021.2400 OR https://www.wutanyuhuatan.com/EN/Y2021/V45/I3/653

Geological and geophysical engineering layout of the exploration area

Statistical data table of physical properties of rock (mine) stone outcrop in exploration area

Comprehensive section of 1 and 2 lines natural potential and dual frequency IP intermediate gradient measurement

Sketch map of river filtering electric field

Comprehensive section of 1 and 2 lines induced polarization sounding

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