A new early Visean coral assemblage has been recorded from turbidite facies in the south part of the Azrou-Khenifra Basi......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

通过对长江口北支兴隆沙XL2孔25个沉积物样品的有孔虫定量分析,发现该孔自下而上有4个有孔虫组合带（含10个有孔虫组合亚带）,有孔虫分......