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Study on the regularity of tectonic control of gold deposits in Laizishan anticline area of Southwest Guizhou

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  • The 117 Geological Team,Guizhou Bureau of Exploration and Development of Geology and Mineral Resources|The 117 Geological Team,Guizhou Bureau of Exploration and Development of Geology and Mineral Resources|The 117 Geological Team,Guizhou Bureau of Exploration and Development of Geology and Mineral Resources|The 117 Geological Team,Guizhou Bureau of Exploration and Development of Geology and Mineral Resources|The 117 Geological Team,Guizhou Bureau of Exploration and Development of Geology and Mineral Resources
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Abstract:

The Laizishan anticline area is an important part of the Ceheng-Wangmo high gold concentration area in Guizhou province.In the area,a super large gold deposit and many small gold deposits and gold spots are dis-covered.At present,the area still has a good prospecting prospect.This paper systematically summarizes the geological features and tectonic ore control law and points out that Laizishan anticline area has obvious three-stage tectonic ore control characteristics,and that the migration and enrichment of deep-sourced ore-forming fluids are closely related to the three-stage tectonics.The tectonic system composed of hidden syngenetic faults of late Paleozoic+regional Laizishan anticline,interlaminar slip structure+mineral-grade faults and folds has an obvious control effect on gold deposit formation.The study established the ore-controlling model of the Laizishan anticline area.

Keywords:

Laizishan anticline;gold deposit;ore-controlling tectonics;ore-forming fluid;three-stage tectonics;Southwest Guizhou