| Computer Code: |
GTE |
Preferred Map Code: |
GTE |
| Status Code: |
Full |
| Age range: |
Gorstian Age (SG)
— Gorstian Age (SG) |
| Lithological Description: |
Sandstone, with subordinat siltstone and mudstone. |
| Definition of Lower Boundary: |
Conformably overlies the Wray Castle Formation. |
| Definition of Upper Boundary: |
Conformably overlain by the Latrigg Formation of the Coniston Group. |
| Thickness: |
c.300 - 500m |
| Geographical Limits: |
Southern Lake District and northwest Pennines. |
| Parent Unit: |
Coniston Group (CTG)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Hillside, north from Green Righouse, to the summit of Green Rig Bank. |
| Reference(s): |
| Moseley F. 1984. Lower Palaeozoic lithostratigraphical classification in the English Lake District. Geological Journal, Vol. 19, p. 239-247. |
| Kneller, B C. 1990. The Wenlock rocks of sheet 38 (Ambleside). British Geological Survey Technical Report, WA/90/64 |
| Marr J E. 1892. On the Wenlock and Ludlow strata of the Lake District. Geological Magazine, Vol. 9, p 534-541. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E038
E048
|
