Xinminbao Group

Geology

Formations: unnamed (1), Xiagou (11), Zhonggou (11)

Lithologies: not reported (4), "siliciclastic" (3), claystone (1), mudstone (5), "shale" (3), siltstone (2), sandstone (7), conglomerate (1)

Paleoenvironments: marine indet. (1), terrestrial indet. (9), deltaic indet. (1), fluvial indet. (1), crevasse splay (1), fluvial-lacustrine indet. (5), fluvial-deltaic indet. (1), lacustrine - small (2), lacustrine indet. (2)

Age range: base of the Late/Upper Aptian to the top of the Early/Lower Albian or 122.46000 to 109.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Barremian - Aptian130.0 - 113.0China (Gansu) (50728)
Aptian125.0 - 113.0China (Gansu) (62293 76900 88840 91167 97754 103990 135813)
Late/Upper Aptian122.46 - 113.0China (Gansu) (201147 220079 220084 220085)
Early/Lower Albian112.03 - 109.0China (Gansu) (45166 45167 45168 45169 45170 45413 64019 84007 93191 204659 220086)