Fluid Inclusion Studies and the Genesis of the Kugadri Gold Deposit, Kazakhstan

JIANG Hai; MO Jiangping

doi:10.12401/j.nwg.2023182

Northwestern Geology > 2024 > 57(3): 196-208. > DOI: 10.12401/j.nwg.2023182

JIANG Hai，MO Jiangping. Fluid Inclusion Studies and the Genesis of the Kugadri Gold Deposit, Kazakhstan[J]. Northwestern Geology，2024，57（3）：196−208. doi: 10.12401/j.nwg.2023182

Citation:

JIANG Hai，MO Jiangping. Fluid Inclusion Studies and the Genesis of the Kugadri Gold Deposit, Kazakhstan[J]. Northwestern Geology，2024，57（3）：196−208. doi: 10.12401/j.nwg.2023182

Citation:

JIANG Hai，MO Jiangping. Fluid Inclusion Studies and the Genesis of the Kugadri Gold Deposit, Kazakhstan[J]. Northwestern Geology，2024，57（3）：196−208. doi: 10.12401/j.nwg.2023182

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Fluid Inclusion Studies and the Genesis of the Kugadri Gold Deposit, Kazakhstan

JIANG Hai^{1, 2, 3,},
MO Jiangping^{1, 2, 3, ,}

1.
China Nonferrous Guilin Research Institute of Geology for Mineral Resources Co., Ltd., Guilin 541004, Guangxi, China
2.
HiddenMetal Deposit Exploration Engineering Technology Research Center, Guilin 541004, Guangxi, China
3.
Key Laboratory of Mineralization Mechanism and Mineral Exploration Industry, Guilin 541004, Guangxi, China

More Information

Received Date: January 12, 2022
Revised Date: August 05, 2023
Accepted Date: September 24, 2023
Available Online: October 19, 2023

Graphical Abstract

Abstract

Abstract

The Kugadri gold deposit is located in the Chuhe-Kendektas gold, lead, zinc, copper and molybdenum metallogenic subzone of the Chuhe-Kendektas gold, lead, zinc, copper and molybdenum metallogenic subzone of the Chuyili-Tianshan metallogenic province in Kazakhstan. The geotectonic location belongs to the Muyunkumu-Kezirkumu-Ili microplate of the Kazakhstan-Junggar plate in the Central Asian orogenic belt. The Kugadri gold deposit is one of the important large deposits in this area. The study of the ore-forming fluid of the deposit has important guiding significance for deepening the understanding of the genesis of the deposit, the study of the regional metallogenic regularity and the prospecting and exploration work. Based on the geological survey of the mining area and the study of the geological characteristics of the deposit, this paper carried out the petrography, microthermometry and laser Raman analysis of ore-bearing quartz vein fluid inclusions in the metallogenic stage. The results show that there are three types of fluid inclusions in Kugadri gold deposit: C, W and S; the complete homogenization temperature of C-type inclusions is 278～421 ℃, and the salinity is 0～13.9 wt% NaCleqv. The complete homogenization temperature of W-type inclusions is 119～378 ℃, and the salinity is 1.1～22.9 wt% NaCleqv. The complete homogenization temperature of S-type inclusions is 136～327 ℃, and the salinity is 29.1～31.0 wt% NaCleqv. The estimation of metallogenic pressure and depth shows that the metallogenic pressure is 95～200 MPa, the metallogenic depth is about 2～5 km, and the metallogenic temperature is 290～380 ℃. Combined with the geological characteristics of the deposit, it is considered that the ore-forming fluid of the Kugadri gold deposit has the characteristics of CO₂-rich, medium-low salinity metamorphic fluid, and the genesis of the deposit is orogenic gold deposit.
- fluid inclusion,
- Kugadri gold deposit,
- orogenic gold deposit,
- Kazakhstan

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References (32)

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Fluid Inclusion Studies and the Genesis of the Kugadri Gold Deposit, Kazakhstan