| Computer Code: |
OG |
Preferred Map Code: |
OG |
| Status Code: |
Full |
| Age range: |
Chadian Substage (CI)
— Holkerian Substage (CQ) |
| Lithological Description: |
[Obsolete: use FRLI] Limestone, sandstone, mudstone. |
| Definition of Lower Boundary: |
Conformable base of lowest limestone unit overlying Carboniferous Basal (Basement) Beds, Ravenstonedale Group or Cockermouth Lavas. |
| Definition of Upper Boundary: |
Overlain by Alston Group. |
| Thickness: |
Approximately 40m |
| Geographical Limits: |
Ravenstonedale area, Cumbria. |
| Parent Unit: |
none recorded or not applicable
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Ravenstonedale area, Cumbria. |
| Reference(s): |
| Arthurton, R S, and Wadge, A J. 1981. Geology of the country around Penrith. Memoir for geological sheet 24. Institute of Geological Sciences, London, HMSO. |
| Burgess, I C. 1970. In annual report for Institute of Geological Sciences for 1969, p. 31. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E024
E023
E018
E026
E040
E031
|
