Longzhaogou Group

Geology

Formations: Dong'anzhen (4), Qihulin (3), Yunshan (1), Zhushan (1)

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

Paleoenvironments: marine indet. (2), paralic indet. (2), foreshore (1), offshore (4)

Age range: base of the Tithonian to the top of the Aptian or 149.20000 to 113.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tithonian149.2 - 143.1China (Heilongjiang) (59661)
Early/Lower Berriasian143.1 - 141.0China (Heilongjiang) (59678)
Early/Lower Cretaceous143.1 - 100.5China (Heilongjiang) (200819)
Middle Berriasian141.0 - 139.1China (Heilongjiang) (59662)
Valanginian137.05 - 132.6China (Heilongjiang) (59679)
Barremian125.77 - 121.4China (Heilongjiang) (198669)
Barremian125.77 - 121.4China (50896)
Aptian121.4 - 113.2China (Heilongjiang) (59663 59665)