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):
Bremner, A. 1943. The glacial epoch in the north-east. 10-30 in The Book of Buchan (Jubilee Volume). Tocher, J F (editor). (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). 
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) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S077