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
|