桂西地区二叠系合山组铝土岩的沉积环境*
张启连1, 梁裕平1, 余文超2, 杜远生2

Sedimentary environment of allites in the Permian Heshan Formation in western Guangxi
Zhang Qilian1, Liang Yuping1, Yu Wenchao2, Du Yuansheng2
桂西地区二叠系分布及剖面和钻孔位置