The BGS Lexicon of Named Rock Units — Result Details

Seaton Carew Member

Computer Code: STCF Preferred Map Code: notEntered
Status Code: Full
Age range: Olenekian Age (TO) — Olenekian Age (TO)
Lithological Description: Mudstone, red-brown and grey-green mottled, and sandstone, coarse-grained, sporadically pebbly, brown or grey-green. Sandstone occurs within convoluted soft sediment injection structures and sandstone dykes.
Definition of Lower Boundary: Slightly unconformable, at the abrupt transition from sandstone of the underlying Sherwood Sandstone Group to deformed mudstone and sandstone of the Seaton Carew Member.
Definition of Upper Boundary: Conformable, at the abrupt transition from deformed mudstone and sandstone of the Seaton Carew Member to red-brown "blocky" mudstone of the undifferentiated Sidmouth Mudstone Formation.
Thickness: 0 to 4m
Geographical Limits: Proved in the subsurface only, Teesside area.
Parent Unit: Sidmouth Mudstone Formation (SIM)
Previous Name(s): Keuper Basement Beds (-545)
Seaton Carew Formation (-1841)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Boreholes around Seaton Carew, Teesside. Smith, 1995. 
Reference(s):
Smith, D B and Pattison, J. 1970. Permian and Triassic. 66-91 in The geology of Durham County. Johnson, G A L and Hickling, G (editors), Transactions of the Natural History Society of Northumbria, Vol.41. 
Smith, D B. 1995. Permian and Triassic. 293-295 in Robson's Geology of North-east England. Johnson, G A L (Editor). Transactions of the Natural History Society of Northumbria, Vol.56. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable