| Computer Code: |
ODGR |
Preferred Map Code: |
OHR |
| Status Code: |
Full |
| Age range: |
Devensian Stage (QD)
— Devensian Stage (QD) |
| Lithological Description: |
Cobble gravel with lenses of finer gravel and sand, dense, mainly clast-supported, containing subangular to rounded clasts of pink granite with psammites, gneiss and schist. All but psammite clasts commonly weathered. Iron-pan commonly developed. |
| Definition of Lower Boundary: |
Sharp, erosional, undulating contact with underlying sandy clayey diamicton of the Suidheig Till Formation. |
| Definition of Upper Boundary: |
Conformable contact with overlying compressed peat of the Allt Odhar Peat Formation. |
| Thickness: |
2 m. |
| Geographical Limits: |
Sheet 84W (Fortrose), southest of Inverness. |
| Parent Unit: |
Moy Burn Palaeosol Formation (MBP)
|
| Previous Name(s): |
Odhar Gravel Formation [Obsolete Name and Code: Use ODGR]
(-2349)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Exposed midway up a river cliff of the Allt Odhar, immediately upstream of its confluence with the Caochan nan Suidheig, Moy Estate, 16 km southeast of Inverness. Walker et al., 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. |
| Fletcher, T P et al. 1996. Geology of the Fortrose and eastern Inverness district. Memoir of the British Geological Survey, Sheet 84W (Scotland). |
| Sutherland D G and Gordon, J E. (editors). 1993. The Quaternary of Scotland. Geological Conservation Review Series: 6. London: Chapman and Hall. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S084
|
