| Computer Code: |
LNT |
Preferred Map Code: |
LNT |
| Status Code: |
Full |
| Age range: |
Visean Age (CV)
— Visean Age (CV) |
| Lithological Description: |
Grey mudstones and sandstones with fossil plant material. |
| Definition of Lower Boundary: |
Overlies white sandstones of the Millstone Point Sandstones (member of the Clyde Sandstone Formation). |
| Definition of Upper Boundary: |
Contact with overlying lavas and tuffs of the Clyde Plateau Volcanic Formation. |
| Thickness: |
7.1m |
| Geographical Limits: |
Northeast Arran (Arran Special Sheet). |
| Parent Unit: |
Strathclyde Group (SYG)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Neighbourhood of Laggan Cottage, north-east Arran. |
| Reference(s): |
| Paterson, I B and Hall, I H S. 1986. Lithostratigraphy of the late Devonian and early Carboniferous rocks in the Midland Valley of Scotland. British Geological Survey Report, 18/3. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S338
S013
|
