The reservoir volcanic rocks in Songliao Basin include the Lower Cretaceous (Klyc Form., 114~135 Ma,acidic rocks) and the Upper Jurassic (J3hs Form., 145~158 Ma,
The ophiolite-bearing Bangong-Nujiang zone (BNZ) traversing central Tibet from east to west separates the Qiangtang block in the north from the Lhasa block in t
Sedimentary facies of the Tsagayan Formation is distributed in the eastern Zeya-Bureya Basin has been analyzed. The formation is of the Maastrichtian to Danian