There was a terrestrialfacies lake basin in study area and mainly developed clastic rock during the late Trias.
研究区晚三叠系为陆相湖盆沉积,以发育陆源碎屑岩系为主。
2
Subei basin is a terrestrialfacies faulted basin which main body is the Tertiary. It has the typical dustpan like fault structure.
苏北盆地是以第三系为主体的陆相断坳型盆地,具有典型的箕状断陷结构。
3
In west Qaidm Basin, 17 oilfields with Tertiary source rocks have been found. The main source rocks are Lower Ganchaigou Formation of terrestrialfacies of Eocene.