The BGS Lexicon of Named Rock Units — Result Details

Mathon Sand And Gravel Formation

Computer Code: MASG Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Anglian Stage (QA) — Anglian Stage (QA)
Lithological Description: Basal gravels overlain by red cross-bedded sands with coal debris on foresets; locally overlain by an upper gravel. Gravels consist:- 50% local pebbles, 50% exotic pebbles, including c.25% Bunter pebbles.Sand and gravel, locally with lenses of silt, clay or peat -[Generic description].
Definition of Lower Boundary: Placed at base of gravels where they rest on bedrock or the Bray Silts.
Definition of Upper Boundary: Placed at top of sand or gravel, where overlain by White House Silts or Coddington Till.
Thickness: Up to c.10 metres.
Geographical Limits: Cradley Valley and Glynch Brook.
Parent Unit: Not Entered (?)
Previous Name(s): Mathon Sand And Gravel (-4179)
Mathon Beds (-2311)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Vicinity of Mathon, Hereford and Worcester where there are current and former gravel pits in the deposits. 
Reference Section  The Brays Pit, Mathon. 
Reference Section  Warner's Farm Pit, Mathon, (section now obscured). 
Reference(s):
Morris, L A, 1974. "In" Adlam, B H, (Editor). Worcester and its region. Field studies in the former county of Worcestershire. Worcester Geographical Association, p.87-96. 
Barclay, W J, Brandon, A, Ellison, R A and Moorlock, B S P. 1992. A Middle Pleistocene palaeovalley-fill west of the Malvern Hills. Journal of the Geological Society of London, Vol. 149, 75-92. 
Hey, R W, 1959. Pleistocene deposits on the west side of the Malvern Hills. Geological Magazine, Vol.96, p.403-417. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E216 E199