The BGS Lexicon of Named Rock Units — Result Details

Crovie Till Member

Computer Code: CRTI Preferred Map Code: Cr
Status Code: Full
Age range: Dimlington Stadial (QDD) — Dimlington Stadial (QDD)
Lithological Description: Till with strong input from local psammitic rocks together with erratics from the west or northwest. Colour variable, commonly reddish-brown.
Definition of Lower Boundary: Unconformable on bedrock or on older Quaternary deposits, including (locally) the Whitehills Glacigenic Formation.
Definition of Upper Boundary: Land surface, or buried by late glacial or post glacial deposits.
Thickness: Up to 5 m.
Geographical Limits: Elgin to Fraserburgh, inland to New Pitsligo [NJ 880 560].
Parent Unit: Byth Till Formation (BYTIL)
Previous Name(s): Lower or South Easterly Drift [Obsolete Name and Code: Use BCD, CRTI] (-43)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Crovie (on Banffshire coast). 
Reference(s):
McMillan, A A, Hamblin, R J O, and Merritt, J W. 2011. A lithostratigraphical framework for onshore Quaternary and Neogene (Tertiary) superficial deposits of Great Britain and the Isle of Man. British Geological Survey Research Report, RR/10/03. 343pp. 
Read, H H, 1923. Geology of the country around Banff, Huntly and Turriff, Lower Banffshire and north-west Aberdeenshire. Memoir of the Geological Survey, Scotland Sheets 86 and 96 (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S096