Computer Code: |
WRUNT |
Preferred Map Code: |
notEntered |
Status Code: |
Full |
Age range: |
Cromerian Stage (QC)
— Cromerian Stage (QC) |
Lithological Description: |
Comprises layers of alluvial clay and organic freshwater mud up to about 1.5 - 2 m thick, including the West Runton Freshwater Bed (Upper Freshwater Bed of Reid, 1882) at West Runton [TG 189 431], Norfolk, the type section. |
Definition of Lower Boundary: |
none recorded or not applicable
|
Definition of Upper Boundary: |
none recorded or not applicable
|
Thickness: |
About 1.5 - 2 m thick. |
Geographical Limits: |
none recorded or not applicable
|
Parent Unit: |
Cromer Forest-bed Formation (CRF)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
West Runton, Norfolk. The section is the stratotype for the Cromerian interglacial (Cromerian I-II). |
Reference(s): |
McMillan, A A, Hamblin, R J O, and Merritt, J W. 2011. A lithostratigraphical framework for onshore Quaternary and Neogene (Tertiary) superficial deposits of Great Britain and the Isle of Man. British Geological Survey Research Report, RR/10/03. 343pp. |
Reid, C. 1882. The geology of the country around Cromer. Memoir of the Geological Survey of Great Britain. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |