深灰

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

内陆棚以深灰、灰绿色灰质泥岩夹浅灰色砂质、灰质纹层或条带为特征,并编制了该地区桑塔木组的岩相古地理图。

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.

该油岩呈深灰色或棕褐色 ,理发育 ,主要由富含有机质纹层和浅灰色钙质纹层形成的毫米级沉积层偶组成。