5 Formation

Geology

Group: Hekou

Members: unnamed (2)

Lithologies: mudstone (2), siltstone (1), sandstone (1)

Paleoenvironments: fluvial indet. (1), lacustrine indet. (1)

Age range: base of the Barremian to the top of the Aptian or 125.77000 to 113.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Barremian - Aptian125.77 - 113.2China (Gansu) (155994 219563)