Dabeigou Formation

Geology

Members: unnamed (13)

Lithologies: not reported (3), "siliciclastic" (1), mudstone (6), "shale" (2), coal (1)

Paleoenvironments: terrestrial indet. (4), lacustrine - large (5), lacustrine indet. (4)

Age range: base of the Hauterivian to the top of the Barremian or 132.90000 to 125.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Hauterivian136.4 - 130.0China (Hebei) (111077 113484 154962 155167 155170 156324 164500 193736 193737)
Hauterivian132.9 - 129.4China (Hebei) (107218)
Hauterivian - Barremian132.9 - 125.0China (Hebei) (85261 220819)
Barremian129.4 - 125.0China (Hebei) (197953)