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Abstract The Sandaozhuang superlarge MoW ore deposit of Luanchuan is located in the eastern part of the
conjunction between the southern margin of the North China Platform and the Qinling folded system. Based on a
discussion on the metallogenic geological setting, the authors studied the ore material composition. Mineral
species and content vary remarkably in different types of ores. Division and comparison were made for mineral
constituents of various ore types according to their components and formation stages. The major useful components
seem to be Mo and W. In addition, S and Re can be retrieved for comprehensive utilization. The modes of occurrence
of various elements were also analyzed. According to mineralization characteristics, mineral association and
formation sequence, the oreforming process can be divided into three phases composed of six stages. The results
obtained are of reference and guiding significance in search for similar ore deposits.
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