区域化探数据地质矿产信息提取研究——以甘肃省徽县高桥地区为例

doi:10.11720/wtyht.2025.1267

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Abstract

The deep mining of geological mineral information from geochemical exploration data has been a hot research topic in mathematical geology and geological big data. Despite China's abundant regional geochemical exploration data, the deep mining of geological mineral information from these data remains limited, necessitating a scientific, efficient, simple, and feasible data processing workflow and analytical methodology. This study investigated the Gaoqiao area in Huixian County, Gansu Province, China. According to the geological background and the theories of element properties and geochemical behavior, this study processed relevant element data to mine the geological mineral information in geochemical exploration data. It established preliminary mathematical models for the boundary delineation and lithofacies classification of intermediate-acid rock masses, and the boundary delineation of mafic volcanic rocks in the Gaoqiao area to scientifically guide geological mapping. It preliminarily established the target delineation model for tectonic altered rock-hosted gold deposits. The model's effectiveness was substantiated by seven newly delineated target areas with promising prospecting potential. The mineral inspection identified five ore occurrences, including four reported for anomalies related to mineralization, with two currently under provincial geological exploration. The results of this study show that by calculating and processing data based on the geochemical properties of elements, the hidden information in regional geochemical exploration data can be further mined to effectively guide and modify geological mapping, thereby enhancing mapping efficiency and quality. High-quality anomaly information can be further extracted from geochemical exploration data to effectively guide mineral prospecting in new areas.

Key words： data processing geological minerals mining of geochemical exploration data prospecting target

Received: 26 June 2024 Published: 07 August 2025

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	Articles by authors
	Liao-Dong TIAN
	Deng-Hong LONG
	Tao YANG
	Hai LIU
	Min-Xiong MA
	Hong-Ying JIANG

Cite this article:

Liao-Dong TIAN,Deng-Hong LONG,Tao YANG, et al. Extracting geological mineral information from regional geochemical exploration data: A case study of the Gaoqiao area in Huixian County, Gansu Province, China[J]. Geophysical and Geochemical Exploration, 2025, 49(4): 768-777.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2025.1267 OR https://www.wutanyuhuatan.com/EN/Y2025/V49/I4/768

Geological and mineral map of the west Qinling Orogenic

Geological and mineral map of the research area

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Schematic diagram of vertical zoning pattern of primary halo in magmatic hydrothermal deposits^[38]

Geochemical Geochemical distribution of W in Gaoqiao area

Granite disintegration map in Gaoqiao area

Basic volcanic rocks delineated by Co-Ni-Cr combination

Au-Ag-Pb-As-Sb-Hg superposition anomaly in Gaoqiao area

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