| Computer Code: |
JUR |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Marine Isotope Stage 2 (QMIS002)
— Marine Isotope Stage 1 (QMIS001) |
| Lithological Description: |
Very soft-firm silty clays with scattered gravel and pebbles. |
| Definition of Lower Boundary: |
Overlain only by modern sediment. |
| Definition of Upper Boundary: |
Overlies either rockhead or Barra Formation. |
| Thickness: |
32 metres. May be up to 300 metres in east, thins to west away from Scottish mainland. |
| 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): |
| 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). |
| 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. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
