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......

Defining the Jurassic-Cretaceous boundary is a controversy in stratigraphic study of the world. It has been widely accep......

New fossil collections in the Lanongla area, Tibetan Himalaya enables the establishment of the Upper Jurassic ammonoid s......

The "Falang Formation" of western Guizhou was previously called the "Halobia Bed" and considered to beLadinian in age. I......

近期采集的菊石鉴定表明藏北安多地区布曲组、"夏里组"和"索瓦组"的时代为中巴通期至中卡洛维期.特别要指出的是, 从藏北地区沉积......