| Computer Code: |
SE1AC |
Preferred Map Code: |
E1AC |
| Status Code: |
Full |
| Age range: |
Holocene Epoch (QH)
— Holocene Epoch (QH) |
| Lithological Description: |
A reddish brown clayey gravel, overlain by interbedded reddish brown silty sand, silt and clay, which in turn, is overlain by a grey pebbly sand. Unit name and code refers to three separate outliers each of which may be a part of SE1, though no vertical succession A-C is implied. |
| Definition of Lower Boundary: |
A sharp, undulating erosional contact, mainly on reddish brown, clayey, sandstone-rich diamicton of the Gretna Till formation, or elsewhere, upon bedrock. |
| Definition of Upper Boundary: |
The present ground surface, generally up to 4 m above floodplain level. |
| Thickness: |
Up to 8 m thick. |
| Geographical Limits: |
The valley of the River Esk, downstream of Canonbie, Dumfrieshire. |
| Parent Unit: |
Solway Esk Valley Formation (SESKV)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
The valley of the River Esk downstream of Canonbie, Dumfrieshire. Dixon et al., 1926. |
| Reference(s): |
| Dixon, E E L, Maden J, Trotter, F M, Hollingworth, M A, and Tonks, L H. 1926. The geology of the Carlisle, Longtown and Silloth District. Memoir of the Geological Survey of England and Wales. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S010
S011
E011
E017
S006
|
