| Computer Code: |
BLSG |
Preferred Map Code: |
BSG |
| Status Code: |
Full |
| Age range: |
Devensian Stage (QD)
— Devensian Stage (QD) |
| Lithological Description: |
Glaciofluvial outwash and ice-contact sand and gravel, locally with shell fragments. Silt and clay in local glaciolacustrine pockets. |
| Definition of Lower Boundary: |
Lies (in part) on the Essie Till Formation, the Whitehills Glacigenic Formation, and on bedrock. |
| Definition of Upper Boundary: |
Present land surface. Locally overlain by the Arnhash Till Member of the Essie Till Formation. |
| Thickness: |
30m |
| Geographical Limits: |
From Elgin to Fraserburgh, southwards to New Pitsligo [NJ 880 560]. |
| Parent Unit: |
Banffshire Coast and Caithness Glacigenic Subgroup (BCD)
|
| Previous Name(s): |
Glacial sands and gravels [Obsolete Name and Code: Use BLSG]
(-3859)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Blackhills Quarry. |
| Partial Type Section |
Broomhead Quarry. |
| Reference Section |
Brandon Howe Quarry, Hills of Boyndie. |
| 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) |
| 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
S096
|
