Metallogenic Regularity and Prospecting Potential of Dachang gold Ore Concentration Area in Qinghai Province

Liu Yingdong; Cheng Daoming

doi:10.3969/j.issn.1000-6532.2022.01.002

2022 No. 1

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Liu Yingdong, Cheng Daoming. Metallogenic Regularity and Prospecting Potential of Dachang gold Ore Concentration Area in Qinghai Province[J]. Multipurpose Utilization of Mineral Resources, 2022, (1): 7-14. doi: 10.3969/j.issn.1000-6532.2022.01.002

Citation:

Liu Yingdong, Cheng Daoming. Metallogenic Regularity and Prospecting Potential of Dachang gold Ore Concentration Area in Qinghai Province[J]. Multipurpose Utilization of Mineral Resources, 2022, (1): 7-14. doi: 10.3969/j.issn.1000-6532.2022.01.002

Metallogenic Regularity and Prospecting Potential of Dachang gold Ore Concentration Area in Qinghai Province

Liu Yingdong¹,
Cheng Daoming²

1.
Institute of Multipurpose Utilization of Mineral Resources, CAGS, Technical Innovation Center of Rare Earth Resources, China Geological Survey, Research Center of Multipurpose Utilization of Metal Mineral; Resources of China Geological Survey, Chengdu, Sichuan, China
2.
Sichuan Geological and Mineral Exploration and Development Bureau, Xichang, Sichuan, China

Received Date: 22 November 2021

Publish Date: 25 February 2022

Abstract

Abstract

Dachang gold ore concentration area is located in Maduo township, Qumalai County, Qinghai Province. It is located in the middle of the gold and antimony metallogenic belt in the north Mount Bayankala , whichis known as the "gold belt" in Qinghai Province. The estimated gold resource amount has exceeded 190 t. Based on the systematic collection and analysis of the previous research results, the metallogenic rules of the gold ore concentration area are analyzed and summarized to evaluate the regional ore-prospecting potential.Research shows that gold deposits mainly occur in the Triassic strata and is controlled by Gande-Maduo deep fault belt, Dachang, Zhajiatongna, Jiageilongwa, Shaorio and Zhalayi gold deposits are distributed on both sides of the fault in a beadlike manner, and the type of deposit is "middle-low temperature hydrothermal tectonic-altered rock type" gold deposit, the metallogenic epoch of the late Indosinian. The ore-forming materials are mainly derived from the initial ore-bearing hydrothermal fluid, and some of them are extracted from the surrounding rock strata. There are good metallogenic potential in the overburden area and the deep part of the gold deposits, including Apengeyiand Geyonggamakao gold point, which are important prospecting areas in this area.
- Dachang gold mine /
- ore concentration area /
- metallogenic regularity /
- prospecting potential

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References

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