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 |