| Computer Code: |
ANSR |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Devensian Stage (QD)
— Devensian Stage (QD) |
| Lithological Description: |
Red-brown (2.5YR 4/4) well-consolidated gravel-rich diamicton with a sand-dominated matrix. |
| Definition of Lower Boundary: |
Gradational to erosional with, and locally reworking, the top of the underlying Ullapool Gravel Formation. |
| Definition of Upper Boundary: |
Present-day land surface or below local peat accumulations. |
| Thickness: |
1-3m. |
| Geographical Limits: |
Exposed onshore in and around the Allt an t-Srathain burn, NW of Ullapool. |
| Parent Unit: |
Assynt Glacigenic Formation (ASGL)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Allt an t-Srathain burn, adjacent to an unclassified road, about 500 m to the SE of Rhue Stoker, M S and Bradwell, T. In press. Quaternary geology of the Summer Isles region - a brief explanation of the marine environment map. Sheet Explanation of the British Geological Survey. 1:50 000 Special Sheet Summer Isles (Scotland). |
| Reference(s): |
| Bradwell, T, and Stoker, M S. 2010. Quaternary Lithostratigraphy of the NW Highlands. 29-37 in The Quaternary of Western Sutherland and adjacent areas. Lukas, S, and Bradwell, T (editors). (London: Quaternary Research Association.) |
| Stoker, M S, Bradwell, T, Howe, J A, Wilkinson, I P & McIntyre, K. 2009. Lateglacial ice-cap dynamics in NW Scotland: evidence from the fjords of the Summer Isles region. Quaternary Science Reviews, 28, 3161-3184. |
| Stoker, M S and Bradwell, T. In press. Quaternary geology of the Summer Isles region - a brief explanation of the marine environment map. Sheet Explanation of the British Geological Survey. 1:50 000 Special Sheet Summer Isles (Scotland). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S101
|
