The BGS Lexicon of Named Rock Units — Result Details

Staunton Member

Computer Code: STAU Preferred Map Code: symb
Status Code: Full
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: Sand and gravel, or pebbly, sandy, clayey silt, with pebbles of quartz, quartzite, granite and limestone.
Definition of Lower Boundary: Generally interpreted as where fluvial deposits rest on bedrock or older superficial deposits.
Definition of Upper Boundary: The upper surface of the present day river terrace.
Thickness: Variable, up to 5 m.
Geographical Limits: The River Leadon and tributary valleys including Glynch Brook, Gloucestershire and Worcestershire.
Parent Unit: Glynch Valley Formation (GLVA)
Previous Name(s): Third (Main) Terrace Of The Severn (-3050)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  The Staunton area of the Glynch Brook Valley. The Staunton Member is correlated with the Holt Heath Member (formerly Third (Main) Terrace deposits) of the Severn Valley Formation (Maddy, 1999). 
Reference(s):
Maddy, D. 1999. English Midlands Chapter 3 in Bowen, D Q (Editor), A revised correlation of the Quaternary deposits in the British Isles. Geological Society Special Report, No.23. 
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). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable