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):
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) 
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) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable