Computer Code: |
HOF |
Preferred Map Code: |
HOF |
Status Code: |
Full |
Age range: |
Wenlock Epoch (SW)
— Ludlow Epoch (SU) |
Lithological Description: |
[Obsolete: use WRE] Laminated silty mudstone. Underlying and overlying units are greywacke sandstones. |
Definition of Lower Boundary: |
Incoming of laminated silty mudstone above Harlock Formation (sandstone). |
Definition of Upper Boundary: |
Base of overlying formation/subgroup turbidite sandstones. |
Thickness: |
600m. |
Geographical Limits: |
Not defined. |
Parent Unit: |
none recorded or not applicable
|
Previous Name(s): |
Horrace Flags [Obsolete Name and Code: Use HOF]
(-4098)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Horrace Hill, Sheet 48, Ulverston. |
Reference(s): |
Rose, W C C. 1977. Geology and Hematite deposits of South Cumbria. Economic Memoir for 1:50,000 Sheet 58 and southern part of Sheet 48. Memoir of the geological Survey of Great Britain. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E048
|