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Minerals
Volume 16
Issue 2
10.3390/min16020163
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Origin of Black Shale-Hosted Dagangou Vanadium Deposit, East Kunlun Orogenic Belt, NW China: Evidence from Mineralogy and Geochemistry

by
Tao Tian
1,2,
Fengyue Sun
1,3,*,
Guang Xu
2,
Guowen Miao
2,
Ye Qian
1,
Jianfeng Qiao
1,2,
Shukuan Wu
2 and
Zhian Wang
2
1
College of Earth Sciences, Jilin University, Changchun 130061, China
2
No. 5 Geological Survey Institute of Qinghai Province, Xining 810099, China
3
Key Laboratory of Mineral Resources Evaluation in Northeast Asia, Ministry of Natural Resources of China, Jilin University, Changchun 130061, China
*
Author to whom correspondence should be addressed.
Minerals 2026, 16(2), 163; https://doi.org/10.3390/min16020163
Submission received: 25 December 2025 / Revised: 22 January 2026 / Accepted: 29 January 2026 / Published: 30 January 2026
(This article belongs to the Special Issue Metallogenic Enrichment in Orogenic Systems: Processes Linking Crustal Evolution to Ore Genesis)
Versions Notes

Abstract

Little is known of a large black shale belt within the Naij Tal Group in the East Kunlun region, which hosts polymetallic deposits, including manganese, vanadium, and cobalt. The recently discovered Dagangou vanadium mineralization is the first black rock series-type vanadium deposit in the East Kunlun region and Qinghai Province and represents a significant find owing to its intermediate scale. This study investigated the mineralogy, major and trace elements, rare earth elements, and platinum group element geochemistry of the Dagangou vanadium deposit. Scanning electron microscopy and energy-dispersive X-ray spectroscopy revealed that the main vanadium-bearing minerals are micas, followed by limonite, clay minerals, feldspar, and jarosite. The SiO2/Al2O3, Co/Zn, Sr/Ba, and Pd/Ir ratios, as well as the Ir content of the ores, indicated strong involvement of hydrothermal activity in the mineralization process. The V/Cr, Ni/Co, and U/Th ratios, as well as the δU values and significant negative δCe anomalies, suggested that the vanadium-bearing black rock series formed in a strongly anoxic reducing environment. The Al2O3/(Al2O3 + Fe2O3) and MnO/TiO2 ratios, along with weak positive δEu anomalies and strong enrichment of heavy rare earth elements, indicated that mineralization occurred in an extensional tectonic setting. The black shale-hosted vanadium polymetallic deposit formed in a setting that transitioned from an open oceanic deep-sea environment to a progressively shallower continental margin.
Keywords: east kunlun; black shale; dagangou V deposit; V-bearing mineral; sedimentary environment east kunlun; black shale; dagangou V deposit; V-bearing mineral; sedimentary environment

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MDPI and ACS Style

Tian, T.; Sun, F.; Xu, G.; Miao, G.; Qian, Y.; Qiao, J.; Wu, S.; Wang, Z. Origin of Black Shale-Hosted Dagangou Vanadium Deposit, East Kunlun Orogenic Belt, NW China: Evidence from Mineralogy and Geochemistry. Minerals 2026, 16, 163. https://doi.org/10.3390/min16020163

AMA Style

Tian T, Sun F, Xu G, Miao G, Qian Y, Qiao J, Wu S, Wang Z. Origin of Black Shale-Hosted Dagangou Vanadium Deposit, East Kunlun Orogenic Belt, NW China: Evidence from Mineralogy and Geochemistry. Minerals. 2026; 16(2):163. https://doi.org/10.3390/min16020163

Chicago/Turabian Style

Tian, Tao, Fengyue Sun, Guang Xu, Guowen Miao, Ye Qian, Jianfeng Qiao, Shukuan Wu, and Zhian Wang. 2026. "Origin of Black Shale-Hosted Dagangou Vanadium Deposit, East Kunlun Orogenic Belt, NW China: Evidence from Mineralogy and Geochemistry" Minerals 16, no. 2: 163. https://doi.org/10.3390/min16020163

APA Style

Tian, T., Sun, F., Xu, G., Miao, G., Qian, Y., Qiao, J., Wu, S., & Wang, Z. (2026). Origin of Black Shale-Hosted Dagangou Vanadium Deposit, East Kunlun Orogenic Belt, NW China: Evidence from Mineralogy and Geochemistry. Minerals, 16(2), 163. https://doi.org/10.3390/min16020163

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