| Computer Code: |
TSS |
Preferred Map Code: |
TsS |
| Status Code: |
Full |
| Age range: |
Frasnian Age (DR)
— Famennian Age (DA) |
| Lithological Description: |
Medium- to fine-grained sandstone interbedded with mudstone and micaceous laminated siltstone. |
| Definition of Lower Boundary: |
Transitional to slaty mudstone of undivided Tavy Formation. |
| Definition of Upper Boundary: |
Transitional to slaty mudstone of undivided Tavy Formation. |
| Thickness: |
50m |
| Geographical Limits: |
Restricted to Plymouth (348) Sheet, east of the River Tamar. |
| Parent Unit: |
Tavy Formation (TVY)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
River cliff. East bank of River Tavy. |
| 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
|
