| Computer Code: |
STAN |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Marine Isotope Stage 4 (QMIS004)
— Marine Isotope Stage 4 (QMIS004) |
| Lithological Description: |
Stiff silty clay with sporadic pebbles. |
| Definition of Lower Boundary: |
Unconformably on Canna Formation or older. |
| Definition of Upper Boundary: |
Upper boundary is a major erosion surface. |
| Thickness: |
91 metres, found throughout most of the deep basins in the sea of the Hebrides, up to 120 metres thick. |
| Geographical Limits: |
Not defined. |
| Parent Unit: |
Eilean Siar Glacigenic Group (EISR)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Davies, H C, Dobson, M R, and Whittington, R J. 1984. A revised seismic stratigraphy for the Quaternary deposits on the inner continental shelf west of Scotland between 55° 30’ N and 57° 30’ N. Boreas, Vol. 13, 49-66. |
| Stoker, M S, Balson, P S, Long, D, and Tappin, D R. 2011. An overview of the lithostratigraphical framework for the Quaternary deposits on the United Kingdom continental shelf. British Geological Survey Research Report, RR/11/03. 48pp. |
| Fyfe, J A, Long, D and Evans, D, 1993. United Kingdom offshore regional report: the geology of the Malin - Hebrides sea area (London: HMSO for the British Geological Survey). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
