| Computer Code: |
NEI |
Preferred Map Code: |
Nel |
| Status Code: |
Full |
| Age range: |
Gorstian Age (SG)
— Gorstian Age (SG) |
| Lithological Description: |
Parallel, thick-bedded, turbiditic, arkosic, medium-grained sandstone. |
| Definition of Lower Boundary: |
Taken at the sharp conformable base of sandstone resting on siltstones of the Horton Formation. |
| Definition of Upper Boundary: |
Not seen; unconformably overlain by Carboniferous rocks. |
| Thickness: |
At least 250m |
| Geographical Limits: |
Restricted to the Craven inliers, North Yorkshire. |
| Parent Unit: |
Coniston Group (CTG)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Tongue Gill (Silverdale) around the farm of Neals Ing. Arthurton et al., 1988 |
| Reference(s): |
| Arthurton, R S, Johnson, E W, and Mundy, D J C. 1988. Geology of the country around Settle. Memoir of the British Geological Survey, Sheet 60 (England and Wales). |
| Waters, C N, Smith, K, Hopson, P M, Wilson, D, Bridge, D M, Carney, J N, Cooper, A H, Crofts, R G, Ellison, R A, Mathers, S J, Moorlock, B S P, Scrivener, R C, McMillan, A A, Ambrose, K, Barclay, W J, and Barron, A J M. 2007. Stratigraphical Chart of the United Kingdom: Southern Britain. British Geological Survey, 1 poster. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E060
|
