| Computer Code: |
GROS |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Holocene Epoch (QH)
— Holocene Epoch (QH) |
| Lithological Description: |
Probably silt, clay and sand, with gravel and peat. |
| Definition of Lower Boundary: |
Probably overlies bedrock or sediments of the Irish Sea Coastal Glacigenic Subgroup. |
| Definition of Upper Boundary: |
Ground surface. |
| Thickness: |
At least 12m |
| Geographical Limits: |
Estuarine and alluvial deposits in the Cumbrian part of Morecambe Bay. |
| Parent Unit: |
British Coastal Deposits Group (COAS)
|
| Previous Name(s): |
Grange Formation [Obsolete Name and Code: Use GROS]
(-4073)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Grange-over-Sands, Morecambe Bay (Huddart et al., 1977). |
| Reference(s): |
| Thomas, G S P. 1999. Northern England. 91-98 in Bowen, D Q (Editor), A revised correlation of Quaternary and Neogene deposits in the British Isles. Geological Society Special Report No.23. |
| Huddart, D, Tooley, M J and Carter, P A. 1977. The coasts of northwest England. 119-154 in Kidson, C and Tooley, M J (editors), The Quaternary History of the Irish Sea. Geological Journal Special Issue No.7. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
