The discovery of jasper rocks in the Qibaoshan cobalt-lead-zinc deposit in western Jiangxi Province and its restriction on the genesis of the deposit

SUN Jiandong; LI Haili; ZHANG Xuehui; LU Fan; XU Mincheng; LU Zhihui

doi:10.12097/j.issn.1671-2552.2023.10.009

2023 Vol. 42, No. 10

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SUN Jiandong, LI Haili, ZHANG Xuehui, LU Fan, XU Mincheng, LU Zhihui. 2023. The discovery of jasper rocks in the Qibaoshan cobalt-lead-zinc deposit in western Jiangxi Province and its restriction on the genesis of the deposit. Geological Bulletin of China, 42(10): 1718-1727. doi: 10.12097/j.issn.1671-2552.2023.10.009

Citation:

SUN Jiandong, LI Haili, ZHANG Xuehui, LU Fan, XU Mincheng, LU Zhihui. 2023. The discovery of jasper rocks in the Qibaoshan cobalt-lead-zinc deposit in western Jiangxi Province and its restriction on the genesis of the deposit. Geological Bulletin of China, 42(10): 1718-1727. doi: 10.12097/j.issn.1671-2552.2023.10.009

The discovery of jasper rocks in the Qibaoshan cobalt-lead-zinc deposit in western Jiangxi Province and its restriction on the genesis of the deposit

1.
Nanjing Center, China Geological Survey, Nanjing 210016, Jiangsu, China
2.
265 Brigade of Jiangxi Province Nuclear Geology, Yingtan 335001, Jiangxi, China
3.
Jiangxi Copper Group Co. Ltd. Qibaoshan Mining Co. Ltd., Yichun 336400, Jiangxi, China

More Information

Corresponding author: ZHANG Xuehui, 185077008@qq.com

Received Date: 22 July 2021

Revised Date: 08 August 2021

Publish Date: 15 October 2023

Abstract

Abstract

Qibaoshan Co-Pb-Zn deposit is a medium-sized cobalt ore deposit, the main ore body in carboniferous Huanglong Formation dolomite, ore structure is given priority to with granular, colloidal structure, block, layer striate sulfide ore bodies and newly discovered jasper rock spatial dependency, with output, close companions, sandwiched between each other, that with the mineralization has a close symbiosis, belong to the same period deposits; The main trace and rare earth data of the jasper rock show that it is characterized by high silicon, poor aluminum and rich in iron and manganese. The Al/(Al+Fe+Mn) ratio is 0.13~0.16, which is similar to the siliceous rocks of hydrothermal origin. Enrichment of Rb, Ba, U, La, Zr, Hf, depletion of K, Nd, P, Ti, U/Th ratio of 185.83~373.85, Y/Ho ratio of 26.88~50.00, ΣREE is low, ranging from 0.88×10^-6~2.16×10^-6. The LREE/HREE values range from 0.07 to 0.36, and the fractionation degree of light and light rare earth is not high. The Ce anomaly is not found, and the δEu moderate negative anomaly indicates that the jade rocks material originated from deep seabed hot water, and a small amount of syngenetic seawater was mixed and formed in the Late Paleozoic continental margin rift trough environment. Therefore, it provides direct and favorable evidence that the deposit belongs to the sedimentary origin of submarine volcanic effluents.
- Qibaoshan /
- Cobalt /
- jasper rocks /
- discovery /
- genesis /
- mineral exploration engineering

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References

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