Dinosaur remains are among the fossils that have been recovered from the formation.
It consists of continental siliciclastic red beds, with fauna which similar to that of the Nemegt Formation.
[1] It is the lowest unit of the Nanxiong Basin, a small graben created during Mesozoic rifting.
[2] Buck et al. state that it overlies Jurassic granite basement, and is conformably overlain by the Shanghu Formation.
[1] Alternative stratigraphic schemes for the Nanxiong basin have been proposed,[3] one of which refers to the Nanxiong succession as the Nanxiong Group, and dividing it into the Yuanfu, Zhutian and Zhenshui formations, and overlying the Albian to Turonian Changba Formation.