| Computer Code: |
ULSA |
Preferred Map Code: |
ULSM |
| Status Code: |
Full |
| Age range: |
Pragian Age (DP)
— Emsian Age (DE) |
| Lithological Description: |
Sandstone of variable type, thin to thick beds, fine- to coarse-grained, fossiliferous with siltstone interbeds. Limestone beds up to 0.5m are present through the upper part of the member. |
| Definition of Lower Boundary: |
Not exposed in type section or elsewhere. (Type section chosen because it is the only place where the lithology can be fully seen). |
| Definition of Upper Boundary: |
Faulted out. |
| Thickness: |
c.100m |
| Geographical Limits: |
Mapped on geological sheet 348 (Plymouth). May also occur on sheets 349, 350, 355 and 356. |
| Parent Unit: |
Bovisand Formation (BOV)
|
| Previous Name(s): |
Meadfoot Beds
(-76)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Cliff section. 180m of cliff at south-eastern end of Londsands Beach. |
| Reference(s): |
| Leveridge B E, Holder, M T, Goode, A J J, Scrivener R C, Jones N S and Merriman, R J. 2002. Geology of the Plymouth and south-east Cornwall area. Memoir of the British Geological Survey, Sheet 348 (England and Wales). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E348
|
