Genesis of Bauxite-Forming Minerals and Metallogenic Processes Under Coal in Yuzhou,Henan
The coal-underlying bauxite deposit in Yuzhou,Henan Province,is located in the Songji bauxite ore-forming sub-region and along the Zhengzhuang-Huangdao bauxite ore-forming belt.Based on the summary of the geological characteristics of the deposit,the ore-forming laws are summarized by analyzing the sources of mineralizing substances,and the ore-forming process is further discussed.The study believes that the mineralizing substances are jointly provided by the carbonate rocks of the basement and the metamorphic rocks of the ancient land,indicating a diversity of material sources.The ore-forming process of the bauxite in the study area is constrained by various factors,and the final formation of the Yuzhou coal-underlying bauxite has experienced three stages:syngenetic sedimentation,burial modification,and preservation-erosion.
Yuzhou,HenanCoal-underlying bauxiteGeological characteristicsMaterial sourceOre-forming process
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