| Computer Code: |
LWT |
Preferred Map Code: |
LWT |
| Status Code: |
Full |
| Age range: |
Westphalian Stage (CW)
— Westphalian Stage (CW) |
| Lithological Description: |
[Obsolete: use CMSC]
Grey, red and mottled yellow-brown sandstones interbedded with purple-grey shales containing plant fragments, and rare seatclays. |
| Definition of Lower Boundary: |
Angular unconformity over steeply inclined Lower Palaeozoic greywackes. |
| Definition of Upper Boundary: |
Unconformably overlain by Permian breccias. |
| Thickness: |
c.30m |
| Geographical Limits: |
Rhins of Galloway, south west Scotland. |
| Parent Unit: |
none recorded or not applicable
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Intermittently exposed in a narrow, north-south strip for 7km to the north and to the south (14 km in all) of Leswalt. Sheet S3 (Stranraer). |
| Type Section |
Lochans to Jamieson's Point, Rhins of Galloway. |
| Reference(s): |
| Stone, P, 1995. Geology of the Rhins of Galloway district. Memoir of the British Geological Survey, Sheets 1 & 3 (Scotland). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S001
S003
|