Application of hydrocarbon-mercury superimposed halo method in red beds:A case study of the Woxi gold deposit, Hunan Province

CHEN Hai-Long; XIAO Qi-Peng; XU Zhi-Bin; YANG Hai-Yan; LIANG Ju-Hong; YIN Da-Gai

doi:10.11720/wtyht.2022.1138

2022 Vol. 46, No. 2

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Article navigation > Geophysical and Geochemical Exploration > 2022 > 46(2): 323-336

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CHEN Hai-Long, XIAO Qi-Peng, XU Zhi-Bin, YANG Hai-Yan, LIANG Ju-Hong, YIN Da-Gai. 2022. Application of hydrocarbon-mercury superimposed halo method in red beds:A case study of the Woxi gold deposit, Hunan Province. Geophysical and Geochemical Exploration, 46(2): 323-336. doi: 10.11720/wtyht.2022.1138

Citation:

CHEN Hai-Long, XIAO Qi-Peng, XU Zhi-Bin, YANG Hai-Yan, LIANG Ju-Hong, YIN Da-Gai. 2022. Application of hydrocarbon-mercury superimposed halo method in red beds:A case study of the Woxi gold deposit, Hunan Province. Geophysical and Geochemical Exploration, 46(2): 323-336. doi: 10.11720/wtyht.2022.1138

Application of hydrocarbon-mercury superimposed halo method in red beds:A case study of the Woxi gold deposit, Hunan Province

1. Hunan Nonferrous Metals Geological Exploration Institution, Changsha 410015, China
2. Hunan Chenzhou Mining Co., Ltd., Yuanling 419607, China

Received Date: 12 March 2021

Publish Date: 28 June 2022

Abstract

Abstract

To further verify the feasibility of the hydrocarbon-mercury superimposed halo method in the coverage area of red beds in prospecting deep deposits, this study carried out area tests of hydrocarbon-mercury superimposed halo in 4.3 km2 of coverage area of Cretaceous red beds in the Hongyanxi ore block using a grid density of 160 m x 20 m. The following conclusions were drawn by summarizing the characteristics of the anomalies of metallogenic elements and hydrocarbon-mercury components in the soil in the red beds, including their superposition characteristics, field structures, patterns, spatial correspondence, and planar distribution patterns. ① There are deep-source and syngenetic superimposed fields in the soil geochemical field of red beds in the Hongyanxi ore block; ② Along the strikes of ore veins, syngeneic superimposed anomalies correspond to barren sections, while the deep-source superimposed anomalies correspond to ore sections. Along the dip directions of ore veins, the ore bodies under the control of paired bimodal anomaly mode occur in ore sections, while other ore bodies occur in barren sections; ③ Planarly, the distribution direction of zonal anomalies consisting of anomalies in the head and tail parts of the paired bimodal anomaly pattern is the pitch directions of orebodies. The superposition of different zonal anomalies indicates the occurrence of parallel blind veins in deep parts. These conclusions were verified in deep engineering, indicating ideal prediction results.
- hydrocarbon-mercury superimposed anomaly /
- coverage area of red beds /
- prospecting test /
- Woxi gold deposit /
- Hongyanxi

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References

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