Three-dimensional comprehensive model and deep prediction of the Jinqingding gold deposit, Muping-Rushan metallogenic belt, Shandong, China

Li Jinmin; Huang Xin; Shi Wenjie; Wang Yongjun; Cui Kai; Kong Fanshun; Tan Jun

doi:10.19509/j.cnki.dzkq.2021.0615

Volume 40 Issue 6

Nov. 2021

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Article Navigation > Bulletin of Geological Science and Technology > 2021 > 40(6): 151-164

Li Jinmin, Huang Xin, Shi Wenjie, Wang Yongjun, Cui Kai, Kong Fanshun, Tan Jun. Three-dimensional comprehensive model and deep prediction of the Jinqingding gold deposit, Muping-Rushan metallogenic belt, Shandong, China[J]. Bulletin of Geological Science and Technology, 2021, 40(6): 151-164. doi: 10.19509/j.cnki.dzkq.2021.0615

Citation:

Li Jinmin, Huang Xin, Shi Wenjie, Wang Yongjun, Cui Kai, Kong Fanshun, Tan Jun. Three-dimensional comprehensive model and deep prediction of the Jinqingding gold deposit, Muping-Rushan metallogenic belt, Shandong, China[J]. Bulletin of Geological Science and Technology, 2021, 40(6): 151-164. doi: 10.19509/j.cnki.dzkq.2021.0615

Citation:

Li Jinmin, Huang Xin, Shi Wenjie, Wang Yongjun, Cui Kai, Kong Fanshun, Tan Jun. Three-dimensional comprehensive model and deep prediction of the Jinqingding gold deposit, Muping-Rushan metallogenic belt, Shandong, China[J]. Bulletin of Geological Science and Technology, 2021, 40(6): 151-164. doi: 10.19509/j.cnki.dzkq.2021.0615

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Three-dimensional comprehensive model and deep prediction of the Jinqingding gold deposit, Muping-Rushan metallogenic belt, Shandong, China

doi: 10.19509/j.cnki.dzkq.2021.0615

Li Jinmin^{1a
,},
Huang Xin^{1a, 2},
Shi Wenjie^{1a, 1b},
Wang Yongjun^{1a, 2},
Cui Kai²,
Kong Fanshun²,
Tan Jun^{1a, 1b, 2
,
,}

Received Date: 26 Nov 2020

Abstract

Abstract

The study of the three-dimensional(3D) distribution characteristics of ore-forming element geochemical field in Jinqingding gold deposit, Mouping-Rushan metallogenic belt, Shandong Province, summarizes the metallogenic law and establishes a 3D comprehensive prospecting model. It provides richer information for deep prediction and guides the direction of mine production and development. In this study, 3D modelling of the deposit and its geochemical field was carried out. Guided by the prospecting model of this deposit, the 3D geological bodies and 3D geochemical model of ore bodies were built up in this study based on comprehensive analysis upon the geological and geochemical data in this deposit, by using 3D modelling visualization technology and geostatistics. These models reveal the ore bodies features and geochemical characterization of this deposit. In order to reduce the uncertainty of the deep prospecting information, the 3D modelling of the Jinqingding gold deposit was carried out by the comprehensive information analysis and prediction of geology and geochemistry in the study area. The 3D model of the ore body shows that the ore body is wide in the middle and narrow at ends, and tends to narrow and disappear to the deep. The distribution characteristics of the geochemical field show that the elements and combination factors of Au, As, Sb, Hg, Cu, W, Sn, Co, Ni are distributed in the shallow part of the ore bodies, showing a decreasing trend of element-field strength to the deep. The characteristics of Mo and Bi are distributed deep in the ore bodies. The characteristics of Ag, Pb, and Zn are more scattered and there are multiple metallogenic centers. The 3D model of the combination geochemical field shows that the metallogenesis of gold occurred in the shallow area of the ore bodies, while it weakened in the deep. The results show that guided by the comprehensive prospecting model, the display, extraction and comprehensive analysis of 3D geological and geochemical anomaly information based on the 3D geochemical field model effectively evaluate the potential of deep prospecting and provide the evidences for deep prospecting prediction. The comprehensive analysis results show that the prospecting potential of the No.2 orebody of the Jinqingding gold deposit below -1 200 m is low-expected, and it is inappropriate to continue deep exploration massively.
- Jinqingding,
- 3D geoscience model,
- structural superimposed halo,
- vertical zoning sequence,
- deep metallogenetic prediction

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References(38)

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Three-dimensional comprehensive model and deep prediction of the Jinqingding gold deposit, Muping-Rushan metallogenic belt, Shandong, China

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Three-dimensional comprehensive model and deep prediction of the Jinqingding gold deposit, Muping-Rushan metallogenic belt, Shandong, China

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