The BGS Lexicon of Named Rock Units — Result Details

Wyche Formation

Computer Code: WY Preferred Map Code: Wy
Status Code: Full
Age range: Telychian Age (ST) — Telychian Age (ST)
Lithological Description: Grey, brown and pale green mudstones and siltstones with thin tabular green sandstones.
Definition of Lower Boundary: Non sequence with underlying Cowleigh Park Formation.
Definition of Upper Boundary: Conformably overlain by Woolhope Limestone.
Thickness: 150m
Geographical Limits: Malvern Hills to Ankerdine Hill.
Parent Unit: May Hill Sandstone Group (MHS)
Previous Name(s): Wych Beds (-1935)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  Upper boundary: Lane section, Birches Farm, west Malvern. (Barclay, W J and others. 1997). 
Type Area  Wyche area, Malvern Hills. 
Reference Section  Lower boundary: Football pitch section, west Malvern (Barclay, W J and others. 1997). 
Reference(s):
Phipps, C B and Reeve, F A E, 1967. Stratigraphy and geological history of the Malvern, Abberley and Ledbury Hills. Geological Journal, Vol.5, p.339-368. 
Barclay, W J, Ambrose K, Chadwick, R A and Pharaoh, T C. 1997. Geology of the country around Worcester. Memoir of the British Geological Survey, Sheet 199 (England and Wales). 
Groom, T T, 1910. The Malvern and Abberley Hills and the Ledbury district. Geology in the Field. Jubilee, Vol.II, Geologists' Association, p.698-738. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E199