The granularity analysis results show typical features of turbidite deposits.

Triassic turbidity current deposits of Yanchang Formation well developed in the Xifeng oilfield, Ordos basin.

Life is the clear and transparent white spirits, which seems pure at the first glance, but actually is turbid.

The facies types of the Lower Cretaceous are mainly delta, lake and turbidity.

My eyes were covered and closed: eddying darkness seemed to swim round me, and reflection came in as black and confused a flow.