The BGS Lexicon of Named Rock Units — Result Details

Ravenfield Rock

Computer Code: RVR Preferred Map Code: RR
Status Code: Index Level
Age range: Bolsovian Substage (CC) — Bolsovian Substage (CC)
Lithological Description: A medium to thickly bedded, grey, fine- to medium-grained, ripple cross-laminated, yellowish brown sandstone, with some red staining and iron-rich concretions.
Definition of Lower Boundary: Sharp upward change in a conformable succession from predominantly grey mudstone to sandstone - base of first sandstone above the fine- to medium-grained Wickersley Rock.
Definition of Upper Boundary: Sharp upward change in a conformable succession from sandstone to predominantly mudstone - top of the last sandstone bed below the Permian unconformity, marked by the occurrence of the Yellow Sands Formation (formerly Basal Permian Sand).
Thickness: 0 to 30m
Geographical Limits: Eastnortheast of Rotherham, around the village of Ravenfield [SK4850 9515], South Yorkshire.
Parent Unit: Pennine Upper Coal Measures Formation (PUCM)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Reference Section  Disconnected sections in bed of Firsby Brook, 1km northeast of Ravenfield, South Yorkshire; neither top nor bottom seen. Mitchell et al. 1947. 
Reference Section  Section in Ravenfield Quarry shows upper 5m of sandstone including top; Ravenfield Quarry 500m north of Ravenfield. Mitchell et al. 1947. 
Mitchell, G H, Stephens, J V, Bromehead, C E N and Wray, D A. 1947. Geology of the Country around Barnsley. Memoir of the British Geological Survey, Sheet 87 (England and Wales). 
Geological Survey of Great Britain. 1932. Summary of Progress for 1931. (London: Her Majesty's Stationery Office.) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E087 E100