Kejiacun dolomite and limestone mine for flux belongs to Yanghu town and Gegong town,Dongzhi county.The upper Lunshan formation and lower honghuayuan formation of the lower ordovician are exposed in the mining area.The mainly lithology is finely grained dolomite,mesocrystalline dolomite,macrocrystalline dolomite and micrite.Based on the results of previous geological exploration,according to the characteristics,scale,mineral composition,natural type and genesis analysis of ore body,this paper believes that the deposit belongs to the alternate sedimentary genesis type deposit of carbonate platform edge shoal facies and open platform facies.This study provides reference for the follow-up exploration and development of the mine.
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