地电化学勘查法在山西五台地区代银掌金多金属矿的试验研究

doi:10.11872/j.issn.1005-2518.2023.03.156

Abstract

Abstract:

In order to solve the problem of prospecting around and deep prospecting in Daiyinzhang mining area in Wutai County，Shanxi Province，the geoelectrochemical exploration method was carried out in the sections of three profiles 6，8 and 12 lines in the mining area，and the geoelectrochemical exploration method test under the conditions of energization （dipolar geoelectric extraction） and non-energization （foam-plastic adsorption extraction） was compared and analyzed in order to verify the feasibility of the method in the area and the influence of the applied electric field on the exploration effect.The results show that the geoele-ctrochemical extraction anomaly is clearly displayed above the known gold orebody，which corresponds well to the occurrence location of the gold orebody，and the exploration effect is remarkable，and it is effective and feasible to use geoelectrochemical methods to find hidden gold deposits in Wutai area of Shanxi Province.The applied electric field does improve the efficiency of geoelectrochemical extraction，the detection depth is also greater than the adsorption extraction without electricity，which is more sensitive，and it can clearly show the hidden orebody and weak mineralization abnormality.The anomaly corresponds to the burial location of the deep orebody，and the extracted orebody information is more comprehensive and complete，which has a good effect on further analysis of the location and distribution form of the underground orebody，and it can play a good indicator effect in deep prospecting prediction.

Key words: gold polymetallic deposit, electrogeochemical extraction method, foam-plastic adsorption extraction method, abnormal characteristics, Wutai area, Shanxi Province

CLC Number:

P618.51

Huanzhao GUO,Ming KANG,Wende ZHU,Pengwei WANG,Jiekai DUAN. Experimental Study on Geoelectrochemical Exploration Method in Daiyin-zhang Gold Polymetallic Deposit in Wutai Area，Shanxi Province[J].Gold Science and Technology, 2023, 31(3): 443-452.

Figures/Tables 6

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剖面编号	方法	样品数/个	最高值/（ng·g^-1）	中位数/（ng·g^-1）	85%分位数/（ng·g^-1）	算术平均值/（ng·g^-1）	标准离差	变异系数
6号	正极提取	20	17.9	8.1	10.85	8.8	3.1	0.36
	负极提取	20	43.9	6.3	12.06	9.2	9.0	0.99
	吸附提取	19	9.8	4.0	7.51	5.0	2.0	0.41
8号	正极提取	20	17.0	5.5	9.70	7.0	3.4	0.48
	负极提取	20	13.6	7.7	9.87	7.7	2.5	0.32
	吸附提取	19	13.6	2.9	4.50	3.8	2.5	0.68
12号	正极提取	20	10.7	4.9	7.89	5.6	2.2	0.40
	负极提取	20	21.6	7.9	12.72	9.7	5.0	0.51
	吸附提取	19	20.4	4.0	5.10	5.3	4.7	0.88

Experimental Study on Geoelectrochemical Exploration Method in Daiyin-zhang Gold Polymetallic Deposit in Wutai Area，Shanxi Province

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