STUDY ON PRESERVED-ORE FACTOR IN XIAZHUANG URANIUM ORE FIELD

Abstract

Xiazhuang ore field is the first granite-type uranium ore field found in China, where the deposits and occurrences located in the eastern part of Guidong grante, controlled by structure and lithology. About uranium mineralization type, there are silicified zone type (group vein), intersection type, altered cataclastic rock type and metamorphic sandstone of the outer contact zone of granite. It had experienced the uplifting and exhumating of the crust in the South China during the Cenozoic, specially the late Cenozoic Era after the ore deposits formed. Data integration and field investigation shows that the Shangdong and horse feces Mountain fault are the protection-ore ones. The forming time is newer. The two faults which have together controlled Xiazhuang fault block undercutting, protect the uranium mine not or less being corroded and exhausted. This is why there is ore existing in the east part but not in west of Guidong granite.
- Guidong grante,
- protection-ore structure,
- Xiazhuang fault block,
- Xiazhuang uranium ore field

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References

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