The BGS Lexicon of Named Rock Units — Result Details

Dunnage Copse Gravel Member

Computer Code: DUNNC Preferred Map Code: notEntered
Status Code: Full
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: Principally clayey sandy gravel based on field brash descriptions.
Definition of Lower Boundary: Erosional on bedrock.
Definition of Upper Boundary: Present day land surface.
Thickness: Estimated at 2-3m from outcrop.
Geographical Limits: Member limited to three small outcrops on the southern flank of the Blackbridge Brook centred around Dunnage Copse [SZ 545 900], ENE of Newport, Isle of Wight.
Parent Unit: Solent River Formation (SOLR)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Three small outcrops delimited by their surface brash expression in the area around Dunnage Copse, ENE of Newport, Isle of Wight. 
Reference(s):
Hopson, P M, and Farrant A R. 2014. Geology of the Isle of Wight - a brief explanation of the Isle of Wight Special Geological Map Sheet. Sheet Explanation of the British Geological Survey. Parts of 1:50 0000 Sheets 330 (Lymington), 331 (Portsmouth), 344 (Chale) and 345 (Ventnor) (England and Wales) 
British Geological Survey. 2013. Isle of Wight. England and Wales Special Sheet incorporating parts of sheets 330,331,344,345. Bedrock and Superficial Deposits. 1:50 000. (Keyworth, Nottingham: British Geological Survey) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable