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哈萨克斯坦日良矿成矿模式及其开发潜力

The metallogenic model and development potential of the Zhilyanskoe potash salt deposit in Kazakhstan
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摘要 中国是个缺钾的国家,每年需要大量进口钾肥。哈萨克斯坦的日良钾盐矿是一座大型钾石盐-杂卤石矿山,位于哈萨克斯坦西部滨里海盆地的东部边缘,紧邻乌拉尔褶皱带。含盐矿层为二叠系孔谷阶,矿体位于近南北向的日良背斜上,上钾盐层为2~3个钾石盐分层,下钾盐层为3个杂卤石分层。日良钾盐矿与滨里海盆地及乌拉尔褶皱带上的其他钾盐矿(如上卡姆钾盐矿)的沉积条件类似,同时拥有滨里海盆地及乌拉尔褶皱带上其他钾盐矿的特征,但具有独特的产生大规模原生杂卤石成矿条件,使得研究日良的杂卤石对研究滨里海盆地及乌拉尔褶皱带这2个重要钾盐成矿带的形成和演化有很大的参考价值。 China lacks potash resources and needs to import huge amounts of potash fertilizer. The Zhilyanskoe deposit is a large sylvite-polyhalite deposit which is located in western Kazakhstan and lies on the eastern margin of the Pricaspian basin, close to Ural orogeny. The ore-bearing salt strata belong to the Kungurian Formation, and orebodies are localized within the Zhilyanskaya anti- cline structure. The upper horizon of potash salt contains 2-3 sylvinite beds, while the lower horizon of potash salt contains 3 polyha- lite beds. The Zhilyanskoe deposit shares similar depositional environments and many similar characteristics with other potash salt de- posits such as Solikamsk deposit in Pricaspian basin and along the Ural orogeny; nevertheless, its unique metal/ogenic condition allows large scale deposition of primary polyhalites, and hence the study of the Zhilyanske polyhalite deposit would provide valuable refer- ence for the study of the formation and evolution of two important potash metallogenic zones, i.e., the Pricaspian basin and the Ural orogeny.
作者 乌罕图
出处 《地质通报》 CAS CSCD 北大核心 2017年第1期127-139,共13页 Geological Bulletin of China
基金 中国地质调查局项目<中蒙边境大型-特大型铜-金 铀和稀有金属矿集区对比研究>(编号:12120115066201)和<"一带一路"资源潜力综合分析与成果应用>(编号:12120115065901)
关键词 哈萨克斯坦 孔谷阶 钾盐矿 成矿模式 杂卤石 Kazakhstan Kungurian Formation potash salt metallogenic model polyhalite
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