The BGS Lexicon of Named Rock Units — Result Details

Malvern Quartzite Formation

Computer Code: MCQ Preferred Map Code: MQ
Status Code: Full
Age range: Comley Series (EC) — Comley Series (EC)
Lithological Description: Pale grey, quartz-cemented sandstones and interbedded conglomerates. Conglomerates contain mainly quartz pebbles, but also Malverns Complex and volcanic lithologies.
Definition of Lower Boundary: Unconformable or in faulted contact with the Precambrian Malverns Complex.
Definition of Upper Boundary: Conformable junction with Hollybush Sandstone.
Thickness: Difficult to estimate, but possibly up to 60m (Worssam and others, 1989).
Geographical Limits: Malvern Hills area, Hereford and Worcester.
Parent Unit: Not Applicable (-)
Previous Name(s): Cambrian Quartzite (-4184)
Hollybush Quartzite And Conglomerate (-2314)
Alternative Name(s): Martley Quartzite = Malvern Quartzite.
Stratotypes:
Type Area  West side of Malvern Hills. 
Reference Section  Southwest of Gullet Quarry, Worssam and others, 1989. 
Reference Section  Hollybush Quarry, Worssam and others, 1989. 
Reference(s):
Groom, T T, 1899. The geological structure of the southern Malvern Hills and of the adjacent areas to the west. Quarterly Journal of the Geological Society of London, Vol.55, p.129-169. 
Groom, T T, 1902. The sequence of the Cambrian and associated beds of the Malvern Hills. Quarterly Journal of the Geological Society of London, Vol.58, p.59-135. 
Worssam, B C, Ellison, R A and Moorlock, B S P. 1989. Geology of the country around Tewkesbury. Memoir of the British Geological Survey, Sheet 216 (England and Wales). 
Stubblefield, C J, 1966. The Malvern Lower Cambrian strata. Nature, London, Vol.209, p.1121. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E216