Computer Code: |
CHFL |
Preferred Map Code: |
CLG |
Status Code: |
Full |
Age range: |
Arundian Substage (CJ)
— Pendleian Substage (CE) |
Lithological Description: |
[Obsolete: use GSCL, AG]
Cyclical repetition of limestones with subordinate mudstones, siltstones, sandstones and rare coals. |
Definition of Lower Boundary: |
Base of limestone sequence overlying Basal Beds, Cockermouth Lavas or Lower Palaeozoic rocks. |
Definition of Upper Boundary: |
Top of First Limestone - conformably overlain by Hensingham Group. |
Thickness: |
Approximately 450m |
Geographical Limits: |
Country between Cockermouth and Egremont, Cumbria. |
Parent Unit: |
none recorded or not applicable
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
West Cumbria - between Cockermouth and Egremont. |
Reference(s): |
Young, B and Boland, M P. 1992. Geology and land-use planning: Great Broughton-Lamplugh area, Cumbria. BGS Technical Report WA/92/54. |
Eastwood, T, Hollingworth, S E, Rose, W C C, and Trotter, F M. 1968. Geology of the country around Cockermouth and Caldbeck. Memoir of the Geological Survey of Great Britain, England and Wales, Sheet 23. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E022
E023
E047
E037
E029
E028
|