The BGS Lexicon of Named Rock Units — Result Details
Highley Formation [Obsolete: use HA]
Computer Code: | HYG | Preferred Map Code: | Hyg |
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Status Code: | Index Level | ||
Age range: | Asturian Substage (CAS) — Asturian Substage (CAS) | ||
Lithological Description: | [Obsolete: use HA] Sandstones and grey shales with Spirorbis limestones and coal seams. | ||
Definition of Lower Boundary: | Unconformable on the Old Hill ('Etruria') Marl. | ||
Definition of Upper Boundary: | Placed at colour change from grey beds of Highley Formation to red beds of the Keele Formation. | ||
Thickness: | 91-183m | ||
Geographical Limits: | Wyre Forest Coalfield. | ||
Parent Unit: | none recorded or not applicable | ||
Previous Name(s): | Highley Group [Obsolete Name and Code: Use HYG]
(-335)
Highley Beds [Obsolete Name and Code: Use HYG] (-4109) |
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Alternative Name(s): | Halesowen Formation |
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Stratotypes: | |||
Type Area | Vicinity of village of Highley, Shropshire. | ||
Reference Section | Highley No. 1 Pit section. (Whitehead and Pocock, 1947, Plate IV). From top of pit to 413ft. 6ins (c. 126.04m). | ||
Reference(s): | |||
Powell, J H, Chisholm, JI, Bridge, D M, Rees, J G, Glover, B W and Besly, B M. 2000. Stratigraphical framework for Westphalian to Early Permian red-bed successions of the Pennine Basin. British Geological Survey Technical Report WA/99/10. | |||
Ramsbottom, W H C, Calver, M A, Eagar, R M C, Hodson, F, Holliday, D W, Stubblefield, C J and Wilson, R B. 1978. A correlation of the Silesian rocks in the British Isles. Geological Society of London, Special Report No.10. | |||
Mitchell, G H, Pocock, R W, and Taylor, J H. 1962. Geology of the country around Droitwich, Abberley and Kidderminster. Memoir of the Geological Survey of Great Britain, Sheet 182 (England and Wales). | |||
Whitehead, T H and Pocock, R W. 1947. Geology of the country around Dudley and Bridgnorth. Memoir of the British Geological Survey, Sheet 167. (England and Wales). | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E199 |