| Computer Code: |
EBSG |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Devensian Stage (QD)
— Devensian Stage (QD) |
| Lithological Description: |
Sand and gravel containing clasts of Carboniferous lithologies (sandstone, gritty sandstone, limestone, mudstone, gannister, coal), including far-travelled clasts from Scotland and the Lake District (greywacke sandstone and siltstone, granite and granodiorite). |
| Definition of Lower Boundary: |
Erosional unconformable contact with stiff, dark greyish brown, stony, sandy silty clay diamicton of the Wear Till Formation. |
| Definition of Upper Boundary: |
Generally the land surface, or erosional unconformable contact with sand and gravel forming more recent river terraces. |
| Thickness: |
To 10m |
| Geographical Limits: |
Northern Pennines. |
| Parent Unit: |
North Pennine Glacigenic Subgroup (NPEG)
|
| Previous Name(s): |
Glacial sand and gravel [Obsolete Name and Code]
(GSG)
|
| Alternative Name(s): |
Ebchester Formation
|
| Stratotypes: |
| Type Area |
Broadoak sand and gravel pit, 1.5km northnorthwest of Ebchester, County Durham. Allen and Rose, 1986. |
| Reference(s): |
| Allen, P, and Rose, J. 1986. A glacial meltwater drainage system between Whittonstall and Ebchester, Northumberland. 68-88 in Quaternary River Landforms and Sediments in the Northern Pennines, England. Maclin, M G and Rose, J (editors). Field Guide, British Geomorphological Research Group/Quaternary Research Association. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
