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
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