A successful application of the tectono-geochemistry weak information extraction method in the prospecting of Carlin-type gold deposits in southwestern Guizhou Province

SONG Wei-Fang; LIU Jian-Zhong; WU Pan; LI Jun-Hai; WANG Ze-Peng; YANG Cheng-Fu; TAN Qin-Ping; WANG Da-Fu

doi:10.11720/wtyht.2022.1502

2022 Vol. 46, No. 6

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SONG Wei-Fang, LIU Jian-Zhong, WU Pan, LI Jun-Hai, WANG Ze-Peng, YANG Cheng-Fu, TAN Qin-Ping, WANG Da-Fu. 2022. A successful application of the tectono-geochemistry weak information extraction method in the prospecting of Carlin-type gold deposits in southwestern Guizhou Province. Geophysical and Geochemical Exploration, 46(6): 1338-1348. doi: 10.11720/wtyht.2022.1502

Citation:

SONG Wei-Fang, LIU Jian-Zhong, WU Pan, LI Jun-Hai, WANG Ze-Peng, YANG Cheng-Fu, TAN Qin-Ping, WANG Da-Fu. 2022. A successful application of the tectono-geochemistry weak information extraction method in the prospecting of Carlin-type gold deposits in southwestern Guizhou Province. Geophysical and Geochemical Exploration, 46(6): 1338-1348. doi: 10.11720/wtyht.2022.1502

A successful application of the tectono-geochemistry weak information extraction method in the prospecting of Carlin-type gold deposits in southwestern Guizhou Province

1. Six Geological Team of Hubei Geological Bureau,Xiaogan 432000,China；
2. College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China；
3. Bureau of Geology and Mineral Exploration and Development Guizhou Province, Guiyang 550004, China；
4. Engineering Technology Innovation Center of Mineral Resources Explorations in Bedrock Zones, Ministry of Natural Resources of the People's Republic of China, Guiyang 550018, China；
5. Key Laboratory of Karst Geological Resources and Environment, Ministry of Education of the People's Republic of China, Guiyang 550025, China；
6. No.105 Geological Team, Bureau of Geology and Mineral Exploration and Development Guizhou Province, Guiyang 550018, China；
7. State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China

Received Date: 04 September 2021

Revised Date: 20 December 2022

Publish Date: 03 January 2023

Abstract

Abstract

This study introduced the development process, research status, and application effects of the tectono-geochemistry survey theory, and proposed the tectono-geochemistry weak information extraction method by summarizing the latest research results and understandings based on the prospecting practice in bedrock areas. Based on the contrastive analysis, this study pointed out the limitations of the conventional geochemical survey methods and the advantages of the tectono-geochemistry weak information extraction method, which was developed from the conventional tectono-geochemistry survey method. Moreover, this study systematically summarized the theoretical basis, operating conditions, deployment method, sampling principle, sampling media, anomaly interpretation, mapping, and application of the tectono-geochemistry weak information extraction method, highlighting the rationality of the deployment method, the representativeness of sampling points, the diversity of sampling media, and the validity (“yes” and “no”) of element anomalies and samples. Based on these, this study established the index system of this method. Finally, by combining the prospecting prediction of the eastern section of the Huijiabao anticline in the distribution area of Carlin-type gold deposits in southwestern Guizhou, this study concluded that the tectono-geochemistry weak information extraction method can extract the deep metallogenic weak information more effectively than the conventional tectono-geochemistry survey. It also inferred that this method has a good application prospect in the prospecting of concealed hydrothermal deposits and can be applied to the prospecting prediction of concealed hydrothermal deposits in all bedrock areas.
- bedrock area /
- hydrothermal deposit /
- prospecting prediction /
- tectono-geochemistry weak information extraction

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References

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