Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.
通过大比例尺平面地质续图、剖面测量和显微组构分析，九台营城煤矿区流纹岩
石泡构造发育。
桃;石泡Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.
通过大比例尺平面地质续图、剖面测量和显微组构分析，九台营城煤矿区流纹岩石泡构造发育。
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