Zhonggou Formation

Geology

Group: Xinminbao

Members: unnamed (10), Lower Red Beds (3), Upper Gray Beds (3), Upper Red Beds (1)

Lithologies: not reported (4), "siliciclastic" (2), mudstone (2), "shale" (4), siltstone (1), sandstone (4)

Paleoenvironments: marine indet. (1), terrestrial indet. (2), deltaic indet. (1), fluvial indet. (1), crevasse splay (1), fluvial-lacustrine indet. (5), lacustrine - large (4), lacustrine - small (1), lacustrine indet. (1)

Age range: base of the Early/Lower Albian to the top of the Middle Albian or 112.03000 to 105.30000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Cretaceous145.0 - 100.5China (Gansu) (201146)
Early/Lower Albian112.03 - 109.0China (Gansu) (45166 45167 45168 45169 45170 45413 64019 84007 93191 204659 220086)
Early/Lower Albian - Middle Albian112.03 - 105.3China (Gansu) (138918 138923 155037 224254)
Middle Albian109.0 - 105.3China (Gansu) (164492)