The BGS Lexicon of Named Rock Units — Result Details

Creedy Park Sandstone Formation

Computer Code: CRPS Preferred Map Code: CrPS
Status Code: Full
Age range: Permian Period (P) — Permian Period (P)
Lithological Description: Reddish brown sandstone, mostly fine-grained and with some clay and silt; locally with breccia beds. Weathers to sand near surface.
Definition of Lower Boundary: Rests unconformably on Knowle Sandstone.
Definition of Upper Boundary: Overlain by Crediton Breccia; may pass laterally in places into Crediton Breccia.
Thickness: Up to 80m in Crediton area.
Geographical Limits: First mapped in Creedy Bridge area [SS 847 012]; extends westwards through and north of Crediton to the Knowle area. Not recognised in the Okehampton district (Edmonds and others, 1968).
Parent Unit: Exeter Group (EXE)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Creedy Park, Crediton, Devon. 
Reference Section  Aller Barton: Sand, clayey...0.1; Clay, sandy...0.1; Sand, very fine...0.5; Sand with bands of clay...0.6; Clay, silty...0.4. 
Reference(s):
Edmonds, E A, Wright, J E, Beer, K E, Hawkes, J R, Fenning, P J, Freshney, E C, Lovelock, P E R, McKeown, M C, Ramsbottom, W H C and Williams, M. 1968. Geology of the country around Okehampton. Memoir of the Geological Survey of Great Britain, Sheet 324 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable