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Geological Characteristics And Ore Potentiality Of The Takati Lead-zinc Deposit In West Kunlun, Xinjiang

Posted on:2013-09-15Degree:MasterType:Thesis
Country:ChinaCandidate:W D DouFull Text:PDF
GTID:2230330392951359Subject:Physical geography
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The West Kunlun region is the areas where the unique tectonic position and the poornatural conditions. Besides the West Kunlun region is one of the areas with low degree ofgeological research in China. However the geological survey results show that the westKunlun metallogenic area is an important mineral resources reserve districts in recentyears and the lead-zinc belt of the Tamu-Kalangu is an important part of the west Kunlunmetallogenic area. The Takati lead-zinc deposit is located in the second class metallogenicbelt of the Tamu-Kalangu lead-zinc belt.This article through extensive research on the Takati lead-zinc mining area and thelead, zinc polymetallic deposits or the mille and the ore mineralization points wereconducted in its adjacent areas. The lead-zinc ore mineralization geological background,the forming deposit conditions,and its temporal and spatial distribution law,which wereeconcluded. According to some elements of geochemical data which is analysised todiscuss the source of minerals and ore-forming fluids, while determine the deposit typesbelong to the MVT deposit, and summarize the metallogenic regularity, establish themodel of the mineralization at the end. Study of metallogenic regularities, combined withuseful information about the mineralization and prospecting of mine for metallogenicprediction delineated, target area and hope to provide a basis for follow-up prospectingsurvey. The main results achieved by research are as follows.From regional speaking, the mining area is controled by Oytage-kurliang fissure andlocated in the front of the Tarim basin. The mining area deposit in three plate junction withthe variety of ore-controlling structure and have unique ore-forming geological features.The deposits is controlled by the structure and formation with many factors. The orebody is influented by NE-WS trending faults and the occurrence was arranged parallel tothe NE-WS. The Orebodies existent in C1kl and enrichment in C1kl2lithologic section. TheOrebodies have a close relationship with the contact zone of dolomitic limestone andsandstone. The Orebodies are strictly controlled by the layer. The Orebody location whereis the lithology is more broken and altered phenomenon is obvious. The formation of theore bodies have nothing to do with the magma activities in the area and the formation ofthe ore bodies is bound up with the oilfield brine upwelling along the deep fault. Through research and analysis the three aspects which is mining area geologicalcharacteristics, the source of ore-forming materials and ore-forming fluid, we think thatdeposits and MVT lead-zinc deposit bed have relations. We determine the copper deposittypes by contrast with the characteristics of MVT lead-zinc deposit. In determining the oretypes of basis to explore the deposit metallogenic regularities, combined with themetallogenic theory establish relevant metallogenic model. Combined with the ore genesisand established the metallogenic model of the ore deposit, through the analysis the factorsof the deposit formed to predict the mineralization of the other regions of the mining area,and confine the target area, looking for the scale of the ore body for later pointed out.
Keywords/Search Tags:West Kunlun, Takati, Lead-zinc deposit, Geology characteristic, Orepotentiality
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