Through systematic investigation of field geology, drilling records, geophysics and isotope geology, a Permian basite zone in the basin is confirmed.
通过野外地质、钻井地质、地球物理和同位素地质的综合调查研究，确定了盆地内部存在一条三叠纪基性岩带。
Investigation result of hydrological geology in the Xinglongzhuang coal field.
图7兴隆庄煤矿某采区的水文地质调查结果Fig。
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