| Computer Code: |
FBD |
Preferred Map Code: |
FBD |
| Status Code: |
Full |
| Age range: |
Sheinwoodian Age (SS)
— Sheinwoodian Age (SS) |
| Lithological Description: |
Greenish-grey silty mudstones and siltstones with interbedded fine-grained sandstone beds to 1m thick. The siltstones are laminated and have some small-scale cross-bedding. |
| Definition of Lower Boundary: |
Base of lowest grey sandstone bed above the reddish mudstones of the underlying Dovestone Redbeds. The sandstone may be stained red or brown. |
| Definition of Upper Boundary: |
Upper surface of highest greyish-coloured sandstone or siltstone below the overlying reddish mudstones of the Gully Redbed Formation; transitional. |
| Thickness: |
58m |
| Geographical Limits: |
Lower Palaeozoic inlier of the Hagshaw Hills, Scotland, (50k Sheets 23W, 23E and 15W). |
| Parent Unit: |
Glenbuck Group (GBK)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
Douglas Water section, 1.4km southwest of Parish Holm Farm. |
| Type Section |
Lochside exposures, Glenbuck Loch 0.3km, northwest of Parish Holm Farm. |
| Reference Section |
Sheil Burn, right-hand tributary of the Monk's Water, 1km northwest of Monksfoot Farm. |
| Reference(s): |
| Rolfe, W D I, 1961. The Geology of the Hagshaw Hills Silurian Inlier, Lanarkshire. Transactions of the Edinburgh Geological Society, Vol.18, Part 3, 240-269. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S023
S023
S015
|
