| Computer Code: |
HGW |
Preferred Map Code: |
HGW |
| Status Code: |
Full |
| Age range: |
Llandovery Epoch (SL)
— Sheinwoodian Age (SS) |
| Lithological Description: |
Grey mudstone, siltstone and turbiditic greywacke. |
| Definition of Lower Boundary: |
Faulted out. |
| Definition of Upper Boundary: |
Top of Ree Burn Formation (qv). (Base of the Parishholm Conglomerate). |
| Thickness: |
312m+ |
| Geographical Limits: |
Lower Palaeozoic Inlier of the Hagshaw Hills (50k Sheets 23E, 23W and 15W). |
| Parent Unit: |
Not Applicable (-)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Smithy Burn section. 250m upstream from junction with the Podowrin Burn. |
| Type Section |
Ree Burn section/Douglas Water section, 0.4km south-south-west of Parish Holm Farm. |
| Reference(s): |
| Walton, E K. 1983. Lower Palaeozoic - Stratigraphy. In Craig, G Y (editor), Geology of Scotland (2nd edition)(Edinburgh: Scottish Academic Press.) |
| Lawson, J and Lawson, J, 1976. The Southern Uplands and Galloway. "In" Geology explained around Glasgow and south-west Scotland, including Arran. |
| 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. |
| Cameron, I B and Stephenson, D, 1985. British Regional Geology: The Midland Valley of Scotland (3rd Edition). (London: HMSO for British Geological Survey). |
| Rolfe, W D I, 1973. The Hagshaw Hills Silurian Inlier. "In" Bluck, B J, Geology of the Glasgow district. |
| Geikie, A, 1873. Lanarkshire: Central Districts. Memoirs of the Geological Survey of Scotland. |
| Richey, J E, Anderson, E M, and Macgregor, A G. 1930.The geology of north Ayreshire. Memoir of the Geological Survey of Great Britain. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S023
S023
S015
|
