Tuchengzi Formation

Geology

Members: unnamed (10), Second (1), Third (10)

Lithologies: not reported (1), "siliciclastic" (1), mudstone (1), "shale" (1), siltstone (1), sandstone (16), conglomerate (1)

Paleoenvironments: terrestrial indet. (20), fluvial indet. (1)

Age range: base of the Berriasian to the top of the Valanginian or 143.10000 to 132.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Kimmeridgian - Valanginian152.21 - 132.6China (Liaoning) (10755 55306 59253 60458 74734 173103 220028)
Late/Upper Kimmeridgian - Valanginian152.21 - 132.6China (Hebei) (91320 97752 182651)
Berriasian143.1 - 137.05China (Liaoning) (165439)
Valanginian137.05 - 132.6China (Beijing) (153397 220019 220020 220021 220022 220023 220024 220025 220026 220027)