| Computer Code: |
KNFIG |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Holocene Epoch (QH)
— Holocene Epoch (QH) |
| Lithological Description: |
Stratified, unconsolidated, fine- to medium-grained quartz sand with shell debris. |
| Definition of Lower Boundary: |
Laterally variable at type locality; conformable Flandrian deposits in the vicinity of Kenfig Pool (Cheney et al, 2000) and elsewhere unconformable on bedrock or superficial deposits. |
| Definition of Upper Boundary: |
Generally the ground surface; locally contact with overlying Flandrian deposits. |
| Thickness: |
Exceptionally reaches 10m, but generally in accordance with the topographic expression of dune forms. |
| Geographical Limits: |
Coastal embayments on the north shore of the Bristol Channel, particularly in Swansea Bay, Carmarthen Bay and Freshwater Bay. |
| Parent Unit: |
British Coastal Deposits Group (COAS)
|
| Previous Name(s): |
Blown sand
(BSA)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Kenfig Burrows. Dune complex developed in response to exposed beach deposits being blown inland by prevailing winds. Wilson et al. 1990 |
| Reference(s): |
| Wilson, D, Davies, J R, Fletcher, C J N, and Smith, M. 1990. The Geology of the South Wales Coalfield, part VI the Country around Bridgend. Memoir of the British Geological Survey, 1:50 000 Geological Sheets 261 and 262 (England and Wales). |
| Cheney, C S, Davies, J R, Hughes, A G, Darling, W G and Macdonald, D M J. 2000. An assessment of the possible effects of dewatering proposed extensions to quarries in the South Cornelly area, South Wales. British Geological Survey Technical Report WD/00/21C. |
| Bowen, D Q. 1999. Wales. Chapter 7 in A revised correlation of Quaternary deposits in the British Isles. Bowen, D Q (editor). Geological Society of London Special Report, No. 23. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
