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Volume 15
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10.3390/min15060636
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Article

Tectonic Evolution and Geological Significance of Jinchuan Region Along Northeastern Margin of Longshou Shan

by
Zongyue Lu
1,2,
Ruifeng Duan
1,2,
Jiaqi Xu
1,2,
Wei Zhang
1,2,
Ke Yang
3,
Dongxiang Jiang
3,
Guoshuai Geng
1,2,* and
Kang Sun
1,2,*
1
Center for Geophysical Survey, China Geological Survey, Langfang 065000, China
2
Technology Innovation Center for Earth Near Surface Detection, China Geological Survey, Langfang 065000, China
3
Xi’an Center of Mineral Resources Survey, China Geological Survey, Xi’an 710119, China
*
Authors to whom correspondence should be addressed.
Minerals 2025, 15(6), 636; https://doi.org/10.3390/min15060636
Submission received: 13 May 2025 / Revised: 3 June 2025 / Accepted: 10 June 2025 / Published: 11 June 2025
(This article belongs to the Section Mineral Exploration Methods and Applications)
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Abstract

The Jinchuan area is located along the northeastern margin of Longshou Shan, in the western part of the North China Plate. Since the Paleoproterozoic period, it has undergone complex geological evolution. A systematic analysis of the tectonic evolution in this region reveals key information about the tectonic background and evolutionary characteristics since the Paleoproterozoic period and serves as a crucial approach for understanding metallogenic processes and achieving breakthroughs in deep mineral exploration. Based on detailed field investigations, this study analyzes the structural characteristics of the area, focusing on conjugate shear joints, folds, and faults. Combined with previous research findings, the evolution of the tectonic stress field is analyzed. The results indicate that the orientation of the maximum principal stress underwent the following six distinct phases of change: nearly north-south (NS) → nearly east-west (EW) → nearly north-south (NS) → north-northeast-south-southwest (NNE-SSW) → northwest-southeast (NW-SE) → northeast-southwest (NE-SW). Integrating these results with the regional tectonic framework, the study systematically reconstructs the tectonic evolution of the Jinchuan area. This research provides important scientific insights and practical value for enhancing geological understanding of the region and guiding mineral resource exploration and development.
Keywords: Longshou Shan; Jinchuan; tectonic deformation; stress field analysis; tectonic evolution Longshou Shan; Jinchuan; tectonic deformation; stress field analysis; tectonic evolution

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MDPI and ACS Style

Lu, Z.; Duan, R.; Xu, J.; Zhang, W.; Yang, K.; Jiang, D.; Geng, G.; Sun, K. Tectonic Evolution and Geological Significance of Jinchuan Region Along Northeastern Margin of Longshou Shan. Minerals 2025, 15, 636. https://doi.org/10.3390/min15060636

AMA Style

Lu Z, Duan R, Xu J, Zhang W, Yang K, Jiang D, Geng G, Sun K. Tectonic Evolution and Geological Significance of Jinchuan Region Along Northeastern Margin of Longshou Shan. Minerals. 2025; 15(6):636. https://doi.org/10.3390/min15060636

Chicago/Turabian Style

Lu, Zongyue, Ruifeng Duan, Jiaqi Xu, Wei Zhang, Ke Yang, Dongxiang Jiang, Guoshuai Geng, and Kang Sun. 2025. "Tectonic Evolution and Geological Significance of Jinchuan Region Along Northeastern Margin of Longshou Shan" Minerals 15, no. 6: 636. https://doi.org/10.3390/min15060636

APA Style

Lu, Z., Duan, R., Xu, J., Zhang, W., Yang, K., Jiang, D., Geng, G., & Sun, K. (2025). Tectonic Evolution and Geological Significance of Jinchuan Region Along Northeastern Margin of Longshou Shan. Minerals, 15(6), 636. https://doi.org/10.3390/min15060636

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