Luoquan Formation is a diachronous unit from Sinian to LowerCambrian.
罗圈组为一穿时地层单位,时代为震旦纪—早寒武世。
2
The paper mainly studies the sedimentology and geochemistry of the source rocks of lowerCambrian Niutitang Formation in Songlin Zunyi area of Guizhou province.
本文主要研究了贵州遵义松林地区的寒武系牛蹄塘组下部烃源岩的沉积学及地球化学特征。
3
Vertically, 3sets of source rocks including the LowerCambrian, the Middle-o-Upper Ordovician-Lower Silurian and the Permian were developed in Chinese Paleozoic Marine basins.