| Computer Code: |
PLWS |
Preferred Map Code: |
PLWS |
| Status Code: |
Full |
| Age range: |
Wenlock Epoch (SW)
— Wenlock Epoch (SW) |
| Lithological Description: |
Sandstone, greyish red or pale brown, medium- to fine-grained, cross-bedded with a few partings of red-brown siltstone. |
| Definition of Lower Boundary: |
Taken at top of highest conglomerate bed in underlying formation (Middlefield Conglomerate). |
| Definition of Upper Boundary: |
Taken at base of overlying conglomerate formation (Greywacke Conglomerate). |
| Thickness: |
To 1400m |
| Geographical Limits: |
Muirkirk to Strathaven area, Strathclyde region, Central Scotland. |
| Parent Unit: |
Dungavel Group (DGL)
|
| Previous Name(s): |
Plewlands Formation [Obsolete Name and Code: Use PLWS]
(-1761)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Partial Type Section |
Cliff section in the Glengave Water. |
| Reference(s): |
| Walton, E K, 1965. "In" Craig, G Y, (Editor). The Geology of Scotland: Lower Palaeozoic rocks. Oliver and Boyd, Edinburgh, 161-227. |
| Jennings, J S. Not published. The geology of the eastern part of the Lesmahagow Inlier. Ph.D.Thesis, University of Edinburgh, 1961. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S023
S015
|