内蒙古金蟾山矿电吸附法找矿与有利区预测

doi:10.11720/wtyht.2025.2494

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Abstract

To evaluate the resource potential of the Jinchanshan mining area, this study conducted analysis and tests of metal element content in soil samples from two geochemical profiles using the electro-adsorption method. By combining the geological conditions of the mining area, this study revealed pronounced positive geochemical anomalies of Au, Ag, Cu, Pb, and Zn above the known gold deposits. The anomalous areas corresponded well with deposits, confirming the effectiveness and feasibility of the electro-adsorption method in the study area. The study identified geochemical anomalies Ⅰ and Ⅱ to the west of the Guaibanggou-Yangpo-Xiaoxigou mineralization zone in the first geochemical profile. Along the second profile, located between the Guaibanggou-Yangpo-Xiaoxigou and Nandawa-Limazigou-Loufengmao mineralization zones, anomalies Ⅲ and Ⅳ were observed at the westernmost end. The comprehensive geological analysis of the mining area indicates that the Ⅰ and Ⅲ anomaly zones exhibit favorable geological conditions for mineralization, serving as play fairways. The play fairway prediction conducted in this study provides targets for future exploration in the mining area.

Key words： electro-sorption exploration method geochemical anomalies Jinchanshan mine Karaqin Banner

Received: 13 November 2023 Published: 22 April 2025

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	Qing-Yun CHEN
	Jiang-Bo ZHANG
	Song-Shu ZHONG
	Qi-Ming ZHOU
	Yu-Jiao SHI
	Yao-Hui LIU
	Li-Ke ZHAO
	Jie TAN

Cite this article:

Qing-Yun CHEN,Jiang-Bo ZHANG,Song-Shu ZHONG, et al. Exploration and play fairway prediction of the Jinchanshan mine in Inner Mongolia using electro-adsorption method[J]. Geophysical and Geochemical Exploration, 2025, 49(2): 281-287.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2025.2494 OR https://www.wutanyuhuatan.com/EN/Y2025/V49/I2/281

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1—Archean metamorphic rocks; 2—Paleozoic strata; 3—Mesozoic and Cenozoic strata; 4—Mesozoic granite; 5—regional faults(①—Chengde-Beipiao fault; ②—Hongshan-Balihan fault; ③—Jinshan-Meilin fault; ④—Honghuagou fault); 6—gold deposits; 7—study area
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Simplified geological map of the Chifeng-Chaoyang gold ore district(modified by Peng^[7])
1—Archean metamorphic rocks; 2—Paleozoic strata; 3—Mesozoic and Cenozoic strata; 4—Mesozoic granite; 5—regional faults(①—Chengde-Beipiao fault; ②—Hongshan-Balihan fault; ③—Jinshan-Meilin fault; ④—Honghuagou fault); 6—gold deposits; 7—study area

Geological and the position of geochemical profiles in the Jinchanshan gold mining area
1—Quaternary alluvial and proluvial sand and gravel layers; 2—Proterozoic Ming'anshan Group phyllite-like two-feldspar muscovite schist and quartz schist intercalated with marble; 3—Archean Huojiagou Group biotite plagioclase (gneissic) rock intercalated with amphibole plagioclase rock and marble; 4—late Yanshanian third intrusion of porphyritic quartz porphyry, granite porphyry, and rhyolite porphyry; 5—late Yanshanian second intrusion of porphyritic monzonitic granite; 6—late Yanshanian first intrusion of porphyritic monzonitic granite; 7—rhyolite porphyry; 8—granite porphyry; 9—quartz porphyry; 10—diorite; 11—main mineralized alteration zone; 12—secondary mineralized alteration zone; 13—gold mining area boundary; 14—geochemical sampling points

Background values and abnormal lower limits of different elements' content in the soil of the study area

Soil geochemical profile of line 1 in the Chifeng Jinchanshan mining area
1—Quaternary alluvial and proluvial sand and gravel layers; 2—late Yanshanian second intrusion of porphyritic monzonitic granite; 3—quartz porphyry; 4—secondary mineralized alteration zone

Soil geochemical profile of line 2 in the Chifeng Jinchanshan mining area
1—Quaternary alluvial and proluvial sand and gravel layers; 2—late Yanshanian third intrusion of porphyritic quartz porphyry, granite porphyry, and rhyolite porphyry;3—late Yanshanian second intrusion of porphyritic monzonitic granite; 4—quartz porphyry; 5—secondary mineralized alteration zone

Gold geochemical anomaly of surface soil electo adsorption and gold anomaly zone division in the Jinchanshan gold deposit

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