Computer Code: |
CMOGR |
Preferred Map Code: |
CM |
Status Code: |
Full |
Age range: |
Devensian Stage (QD)
— Devensian Stage (QD) |
Lithological Description: |
Silty sandy gravel, horizontally stratified, thin-bedded, pale olive grey, with subsidiary beds of sand, clast-supported gravel and silty sandy gravel diamicton. Pebbles consist of red and grey granites, semipelitic gneiss, psammite and brown flaggy sandstone. |
Definition of Lower Boundary: |
Sharp, undulating, erosional, unconformable contact with stony, sandy, clayey diamictons of the underlying Beinn an Uain Till Formation. |
Definition of Upper Boundary: |
Not overlain. |
Thickness: |
10m |
Geographical Limits: |
Moy Estate on Sheet 84W (Fortrose), southeast of Inverness. |
Parent Unit: |
Central Grampian Glacigenic Subgroup (CGDR)
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Previous Name(s): |
none recorded or not applicable
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Alternative Name(s): |
none recorded or not applicable
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Stratotypes: |
Type Section |
Exposed at the tops of river cliff sections of the Allt Odhar, immediately upstream of its confluence with the Caochan nan Suidheig, Moy Estate, 16 km southeast of Inverness, in the vicinity of the Allt Odhar Interstadial site. Waker, M J C and 6 others. 1992. |
Reference(s): |
Walker, M J and 6 others. 1992. Allt Odhar and Dalcharn: two pre-Late Devensian (Late Weichselian) sites in northern Scotland. Journal of the Quaternary Science, Vol.7, 69-86. |
Sutherland D G and Gordon, J E. (editors). 1993. The Quaternary of Scotland. Geological Conservation Review Series: 6. London: Chapman and Hall. |
Fletcher, T P et al. 1996. Geology of the Fortrose and eastern Inverness district. Memoir of the British Geological Survey, Sheet 84W (Scotland). |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S084
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