The BGS Lexicon of Named Rock Units — Result Details

Holt Heath Sand And Gravel [Obsolete Name And Code: Use HHSG]

Computer Code: HOHE Preferred Map Code: notEntered
Status Code: Index Level
Age range: Wolstonian Stage (QO) — Wolstonian Stage (QO)
Lithological Description: Gravel, sand and pebbly sand, variably cross-bedded to parallel laminated; clasts mostly Triassic quartzites with flints; Lake District, Scottish and Malvernian rocks.
Definition of Lower Boundary: Where sand/gravel overlies bedrock or glacial deposits.
Definition of Upper Boundary: The present dry terrace flat.
Thickness: Up to 10m
Geographical Limits: River Severn valley from Bridgnorth to Woolaston.
Parent Unit: Not Entered (?)
Previous Name(s): Main Terrace (-1599)
Main Terrace Deposits (River Severn) [Obsolete Name And Code: See HOHE] (MNT)
Main Terrace Deposits [River Severn] (-2245)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Holt Heath. 
Reference(s):
Maddy, D, Green, C P, Lewis, S G and Bowen, D Q. 1995. Pleistocene Geology of the lower Severn Valley, UK. Quaternary Science Reviews, Vol 14, 209 - 222. 
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). 
Wills, L J, 1938. The Pleistocene development of the Severn from Bridgnorth to the Sea. Quarterly Journal of the Geological Society, 94, 161-242. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E199 E216 E234 E182 E167