深灰

The platform foreslope is composed of the dark grey and celadon calcareous mudstone,siltstone,sandstone intercalated with limestone conglo...

内陆棚以、绿色质泥岩夹浅色砂质、质纹层或条带为特征,并编制了地区桑塔木组的岩相古地。

In lamina of shale which deposited in deep lake away from paleo-debouchment in the Shahejie Formation in the Jiyang Depression, some aeolian silty sand was discovered.

油岩色或棕褐色 ,发育 ,主要由富含有机质纹层和浅色钙质纹层形成的毫米级沉积层偶组成。