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水矾土产於酉阳县属水车坪场口附近之泥盆纪地层顶部,约厚八十公分,由其分布及在显微镜下所见情形言之,可推定?
Bauxite is produced at the top of the Devonian strata in the vicinity of Shuichang Pingchangkou of Youyang County, about 80 centimeters thick, which can be inferred from its distribution and the situation seen under the microscope.