| Computer Code: |
LLSA |
Preferred Map Code: |
LLSM |
| Status Code: |
Full |
| Age range: |
Pragian Age (DP)
— Pragian Age (DP) |
| Lithological Description: |
Dominantly sandstone in sedimentary cycles with mudstone, siltstone and subordinate limestone. Sporadic packets of quartzitic sandstone present. |
| Definition of Lower Boundary: |
Faulted out. |
| Definition of Upper Boundary: |
Passes conformably up into slaty mudstone of the undivided Bovisand Formation where sandstone cycles die out. |
| Thickness: |
320m |
| Geographical Limits: |
Mapped on Plymouth (348) Sheet. May 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. Blackball Cliff to 750m east-south eastwards. |
| 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
|
