Geological characteristics and prospecting otential of sandstone-type copper-rhenium deposits in Mishi Basin, Xichang

TANG Yi; HAO Xuefeng; PENG Yu; PAN Meng; LIANG Bin; CHEN Bangqiao; YANG Rong; FAN Junbo; HE Yang

doi:10.12097/j.issn.1671-2552.2023.12.002

2023 Vol. 42, No. 12

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TANG Yi, HAO Xuefeng, PENG Yu, PAN Meng, LIANG Bin, CHEN Bangqiao, YANG Rong, FAN Junbo, HE Yang. 2023. Geological characteristics and prospecting otential of sandstone-type copper-rhenium deposits in Mishi Basin, Xichang. Geological Bulletin of China, 42(12): 2028-2036. doi: 10.12097/j.issn.1671-2552.2023.12.002

Citation:

TANG Yi, HAO Xuefeng, PENG Yu, PAN Meng, LIANG Bin, CHEN Bangqiao, YANG Rong, FAN Junbo, HE Yang. 2023. Geological characteristics and prospecting otential of sandstone-type copper-rhenium deposits in Mishi Basin, Xichang. Geological Bulletin of China, 42(12): 2028-2036. doi: 10.12097/j.issn.1671-2552.2023.12.002

Geological characteristics and prospecting otential of sandstone-type copper-rhenium deposits in Mishi Basin, Xichang

1.
Geological Survey of Sichuan Province, Chengdu 610081, Sichuan, China
2.
Sichuan Provincial Key Laboratory of Strategic Evaluation and Utilization of Rare Metal and Rare Earth Resources, Chengdu 610081, Sichuan, China
3.
School of Environment and Resource, Southwest University of Science and Technology, Mianyang 621000, Sichuan, China

More Information

Corresponding author: HAO Xuefeng, hao-xuefeng@qq.com

Received Date: 23 December 2021

Revised Date: 11 April 2022

Publish Date: 15 December 2023

Abstract

Abstract

A new rhenium ore body associated with sandstone-type copper deposits was discovered in the Lower Cretaceous Feitianshan Formation (K₁f) of the Mishi Mesozoic continental basin in Zhaojue-Puge, Xichang.This article mainly introduces the distribution of the copper-rhenium deposit (occunence) and the characteristics of the ore body, and preliminary analysis of the genesis and prospecting potential of the ore deposit.The discovered deposits (occurrences) are layered and lenticular distributed in sandstone.The main ore types are fragmented and lenticular sandstones with bituminous bands.The ores of the deposit have relatiively high Cu, Re and Ag, with the content of Cu 0.23%~39.10%, average 7.23%; Re content 2.76~131.49 g/t, average 24.70 g/t, Ag content 41.4~384 g/t, which can be called Cu-Re-Ag sandstone deposit.The mineralization is closely related to organic matter such as bitumen.It is preliminarily believed that the mineralization of rhenium and other elements is closely related to the formation and evolution of ancient oil reservoirs.The Feitianshan Formation (K₁f) ore-bearing horizon in the Mishi Basin is relatively stable, with obvious prospecting signs and great prospecting potential.
- rhenium deposit /
- dispersed element /
- organic matter /
- Xichang /
- prospecting potential

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References

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