【摘 要】
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The upper Qigeblaq Formation(Fm) dolostones and the Yurtus Fm phosphatic cherts, black shales, limestones, and dolostones are widely distributed in the Precambr
【机 构】
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NanjingCenter,InstituteofRemoteSensingandDigitalEarth,StateKeyLaboratoryforMineralDepositsResearch,N
【基金项目】
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financially supported by the National Natural Science Foundation of China (Grant No.41203023),National Basic Research Program of China (Grant No.2007CB411301)