Wadhurst Clay Formation

Geology

Group: Wealden

Members: unnamed (25), Lower (2), Tilgate Stone (1)

Lithologies: not reported (10), claystone (7), mudstone (3), siltstone (4), sandstone (6), conglomerate (4)

Paleoenvironments: terrestrial indet. (14), lagoonal/restricted shallow subtidal (1), marginal marine indet. (1), estuary/bay (2), wet floodplain (4), lacustrine - small (6)

Age range: base of the Valanginian to the top of the Late/Upper Valanginian or 139.80000 to 136.40000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Valanginian140.2 - 136.4United Kingdom (England) (32328 52577 52649 58094 91990 102993 117934 122797 127529 127530 231104 231105 231106 231107)
Late/Upper Valanginian140.2 - 136.4United Kingdom (England) (52255 52668 75211 96620 96621 96622 230812)
Valanginian139.8 - 132.9United Kingdom (England) (32356 32357 32358 122355 123855 123860 127535)