文中通过对我国己发表的palaeolenid类三叶虫中的34个种头盖特征组合进行Q型聚类分析,研究我国palaeolenid类三叶虫属种的分类,并......

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......

笔者在1：5万腊窝乡，里庄幅区域地质调查中，对区内出露的沉积盖层中的生物地层层序，古生物化石的产出状态，组合面貌和发育特征等进行了详......

作者在１∶５万汉源、甘洛等八幅区域地质调查中，对片区出露的古生代沉积盖层的生物地层层序、古生物化石的产出状态、组合面貌、发育情......

根据新疆西北部伊宁果子沟，艾比湖及和布克赛尔等地的早古生代地层剖面，对这一地区寒武系，奥陶系和志留系的岩石地层单元和生物带作了......

重新研究了宜昌王家湾、宜昌分乡、桐梓红花园和松桃陆地坪４条上奥陶统上部至志留系底部的连续采集剖面。１９９９年６月在捷克召开的第８届国际......

The Asmari Formation consists of shallow marine sedimentary rocks deposited on ramp setting. Larger benthic foraminifera......

In the present paper, Talezang Formation, located in southwest of Khoramabad, is studied. Ghalebi section (200 m thickne......

In the present paper, Talezang Formation, located in southwest of Khoramabad, is studied. Ghalebi section (200 m thickne......

This research focuses on the lithostratigraphy and microbiostratigraphy implications of the Gadvan and Darian Formations......