| Computer Code: |
RBN |
Preferred Map Code: |
RBN |
| Status Code: |
Full |
| Age range: |
Telychian Age (ST)
— Sheinwoodian Age (SS) |
| Lithological Description: |
Medium-grey greywacke, sub-greywacke, siltstones, mudstones and shales. Greywackes are mainly thin (<0.3 m ) except at top of formation where there is about 11 metres of thickly bedded greywackes. The middle part consists of firmly laminated silty mudstones and mudstones. |
| Definition of Lower Boundary: |
Taken at the lowest occurrence of a persistent greywacke turbidite in the Ree Burn Formation to Smithy Burn Siltstone sequence. |
| Definition of Upper Boundary: |
Base of the overlying Parishholm Conglomerate. |
| Thickness: |
290m |
| Geographical Limits: |
Lower Palaeozoic Inlier of the Hagshaw Hills, Scotland, (50k Sheets 23E, 23W and 15W). |
| Parent Unit: |
Hagshaw Group (HGW)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Ree Burn section/Douglas Water section, 0.4km south-south-west of Parish Holm 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
|
