| Computer Code: |
BLCV |
Preferred Map Code: |
BlCv |
| Status Code: |
Full |
| Age range: |
Caradoc Series (O4)
— Caradoc Series (O4) |
| Lithological Description: |
Pebbly volcaniclastic sandstone with intercalations of bedded fine- to coarse-grained volcaniclastic sandstone. |
| Definition of Lower Boundary: |
Base (probably conformable) of lowest of a series of thick units (2-25m) of pebbly sandstone, resting on bedded sandstone (undivided) of the Deepdale Sandstone Formation. |
| Definition of Upper Boundary: |
Overlain either by ignimbrite (St Sunday Crag Member) or breccia (Blake Brow Member). |
| Thickness: |
200m (maximum) |
| Geographical Limits: |
St Sunday Crag, Thornhow End, Deepdale, northeast Lake District (between Grasmere and Patterdale). |
| Parent Unit: |
Deepdale Sandstone Formation (DPD)
|
| Previous Name(s): |
Blind Cove Member [Obsolete Name and Code: Use BLCV]
(-2618)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
(For the Deepdale Formation). Prominent north to northwest facing crags (St Sunday Crag and Blind Cove), 2.7 to 4km southwest of Patterdale. |
| Reference(s): |
| Woodhall, D G, 1998. The geology of the Wythburn, Thirlmere and Fairfield areas of the north-east Lake District. British Geological Survey Technical Report WA/98/07. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E029
|
