The BGS Lexicon of Named Rock Units — Result Details

Raised Storm Beach Deposits, Late Devensian

Computer Code: RSBQD Preferred Map Code: RSBLD
Status Code: Full
Age range: Devensian Stage (QD) — Devensian Stage (QD)
Lithological Description: Gravel, sandy, silty, partly clast-supported, poorly sorted, mainly of cobble to boulder grade with subsidiary beds of finer gravel and sand.
Definition of Lower Boundary: Generally an uncomformable contact with till or bedrock.
Definition of Upper Boundary: At the ground surface.
Thickness: To 10m
Geographical Limits: Northern England and Scotland.
Parent Unit: British Coastal Deposits Group (COAS)
Previous Name(s): Raised Storm Beach Deposits 2 (-3009)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  The islands of Tiree and Coll of the Inner Hebrides, where the storm beaches form discontinuous, arcuate, asymmetrical ridges up to 10m high, commonly resting on rock platforms mapped as Raised Beach Deposits of Late-glacial age. Henney and Merritt, 2002; Merritt and Henney, 2003. 
Reference(s):
Merritt, J W and Henney, P J. 2003. An assessment of aggregate resources and requirements on Coll. BGS commercial report on behalf of Scottish Natural Heritage. 
Henney, P J and Merritt, J W. 2002. An assessment of aggregate resources and requirements on Tiree. BGS commercial report on behalf of Scottish Natural Heritage. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable