Crychan Formation

Geology

Members: unnamed (11)

Lithologies: mudstone (11), sandstone (11)

Paleoenvironments: marine indet. (11)

Age range: base of the Rhuddanian to the top of the Aeronian or 443.10000 to 438.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Rhuddanian - Aeronian443.1 - 438.6United Kingdom (Wales) (4966 4967 4968 4969 4970 4981 4982 4985 4987 5008 5022)