Computer Code: |
CGP |
Preferred Map Code: |
notEntered |
Status Code: |
Full |
Age range: |
Emsian Age (DE)
— Emsian Age (DE) |
Lithological Description: |
[Obsolete: use CFO, WBK]
Predominantly green and brown sandstones, commonly gritty and pebbly, and locally calcareous with interbedded red marls (which are rarely seen). |
Definition of Lower Boundary: |
Drawn at the base of the Clee Beds where sandstone conformably rests upon limestone of the Upper Abdon Limestone. |
Definition of Upper Boundary: |
Drawn at the conformable upward passage from the Monkeys Fold Sandstone Formation where it is unconformably overlain by coal measures of the Farlow Group. |
Thickness: |
1200 metres approx. |
Geographical Limits: |
The area around Shropshire including Brown Clee Hill. |
Parent Unit: |
none recorded or not applicable
|
Previous Name(s): |
Clee Group [Obsolete Name and Code: Use CGP]
(-121)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Brown Clee Hill, Shropshire. |
Reference(s): |
Ball, H W, and Dineley, D L. 1952. Notes on the Old Red Sandstone of the Clee Hills. Proceedings of the Geologists’ Association, Vol. 63, 207-214. |
Ball, H W, Dineley, D L, and White, E I. 1961. The Old Redstone Sandstone of Brown Clee Hill and the adjacent area. Bulletin of the British Museum (Natural History) Geological, Vol. 5, 175-310. |
Greig D C, Wright, J E, Hains, B A and Mitchell, G H. 1968. Geology of the country around Church Stretton, Craven Arms, Wenlock Edge and Brown Clee. Memoir of the Geological Survey, Sheet 166 (England and Wales). (London: H.M.S.O.). 379pp. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |