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): |
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). |
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. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S096
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