| Computer Code: |
SHU |
Preferred Map Code: |
Shu |
| Status Code: |
Full |
| Age range: |
Permian Period (P)
— Permian Period (P) |
| Lithological Description: |
Predominantly reddish-brown, silty, very fine-grained sandstone and sandy siltstone, weathering to silty sand and sandy silt. Breccia lenses occur at a few localities. Beds of intraformational breccia locally present. |
| Definition of Lower Boundary: |
In the western part of the outcrop, overlies and is partly laterally equivalent to the Newton St Cyres Breccia; in the eastern outcrop, overlies Crediton Breccia and Yellowford Formation; some interdigitation of silty sandstone with breccia is present at the top of the Yellowford Formation. |
| Definition of Upper Boundary: |
Gradational boundary with the Dawlish Sandstone. |
| Thickness: |
50-80m |
| Geographical Limits: |
Outcrops around the limbs of a syncline between Upton Pyne, Newton St Cyres, and then eastwards to the River Exe. |
| Parent Unit: |
Exeter Group (EXE)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Hamlet of Shute, Devon. |
| Reference Section |
Shute Cross. Reddish brown silty, clayey, fine-grained sandstone with beds of fine-grained breccia. |
| Reference(s): |
| Edwards, R A. 1984. Geological Notes and Local Details for 1:10,000 Sheets. Parts of Sheets SS80SE and SS90SW (Thorverton, Devon). (Exeter: British Geological Survey.) |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
