The BGS Lexicon of Named Rock Units — Result Details

Tullos Clay Member

Computer Code: TSCL Preferred Map Code: TC
Status Code: Full
Age range: Devensian Stage (QD) — Devensian Stage (QD)
Lithological Description: Silt and clay, reddish brown and olive-brown, mainly massive, but with some laminae of sand.
Definition of Lower Boundary: Sharp, draped, undulating, unconformable contact with underlying massive, gravelly, silty, sandy, clay diamicton of the Hatton Till Formation.
Definition of Upper Boundary: The present ground surface, or gradational, conformable contact with younger alluvial deposits, but not capped by till as are parts of the parent Formation.
Thickness: 30m
Geographical Limits: The coast between Newburgh and Aberdeen on 1:50K Sheet 77.
Parent Unit: Ugie Clay Formation (UGCL)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Sections at the former Brick and Tile works at Tipperty, 3.5km northwest of Newburgh, Aberdeenshire. Bremner, 1943; Munro, 1986. 
Reference Section  Degraded cliff section at Nigg Bay, Aberdeen. Merritt et al., 2003. 
Reference(s):
Merritt, J W, Auton, C A, Connell, E R, Hall, A M and Peacock, J D. 2003. The Cainozoic geology and landscape evolution of north-east Scotland. Memoir of the British Geological Survey, Sheets 66E, 67, 76E, 77, 86E, 87W, 87E, 95, 96W, 96E and 97 (Scotland) 
Bremner, A. 1943. The glacial epoch in the north-east. 10-30 in Tocher, J F (Editor), The Book of Buchan (Jubilee Volume). (Aberdeen: P Scrogie Ltd and Aberdeen University Press.) 
Munro, M, 1986. Geology of the country around Aberdeen. Memoir of the British Geological Survey, Sheet 77 (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S077