Red-Colored Uranium Target Horizon Reclassification and Its Significance in Qianjiadian Uranium Deposit and Surrounding Areas
The unclear division of ore-bearing targets in Qianjiadian uranium deposit and its surrounding areas has become a key problem that needs to be solved urgently in current production and scientific research.In order to determine the ore-bearing strata accurately,based on the stratigraphy,sedimentology and sandstone-type metallogenic theories,the identification characteristics and classification basis are systematically researched by using lithology,well logging,paleontology and other means.Research results show that the ore bearing target layer can be identified and divided into three horizons:Quantou Formation,Qingshankou Formation and Yaojia Formation(traditional stratigraphic division classifies it as the Yaojia Formation).On this basis,the strata attribution and mineralization characteristics of different ore bodies in the region are redetermined.This study can provide a new idea and geological basis for the progress of uranium exploration in southern Songliao basin.Further study of metallogenic regularity under this new horizon system may really help to reveal the genesis of tabular uranium ore body.
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