Characteristics and Genesis Analysis of a Crystalline Graphite Ore Body in Alxa Left Banner,Inner Mongolia Autonomous Region
A crystalline graphite ore body in Alxa Left Banner,Inner Mongolia Autonomous Region occurs in the gneiss of the Wulashan rock group(Ar2w)in the Middle Archean,.The production form of the ore body is controlled by the structure,and 10 graphite ore bodies have been re delineated within the mining area.The engineering control shows that the length of the graphite ore body is 150～1570m,the thickness is 2.08～73.25m,and the average fixed carbon content of the ore body is 4.92%.The main type of ore is graphite containing diopside plagioclase gneiss type ore,and the graphite flake diameter belongs to large scale graphite.The deposit type is regional metamorphic.By summarizing the geological characteristics,ore body characteristics,and ore quality of crystalline graphite deposits in the mining area,analyzing the genesis and controlling factors of the deposits,the aim is to provide reference for the development of graphite resources in the region,and also to provide assistance and reference for the search for similar graphite deposits in the region.
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