| Computer Code: |
MAWO |
Preferred Map Code: |
MAWO |
| Status Code: |
Full |
| Age range: |
Wenlock Epoch (SW)
— Wenlock Epoch (SW) |
| Lithological Description: |
Reddish brown, green and purple thinly bedded fine-and medium- grained sandstone with a few small silty mudstone clasts in some beds. Local green and grey mottled siltstones and mudstones and conglomerate beds including quartzite pebbles. |
| Definition of Lower Boundary: |
The base of the predominantly sandstone succession on the southern side of the Eastfield Inlier, faulted against the Lanark Group (Siluro-Devonian). |
| Definition of Upper Boundary: |
The top of the predominantly sandstone succession in the Eastfield Inlier where it is overlain by thick conglomerate belonging to the Greywacke Conglomerate Formation |
| Thickness: |
c.750m |
| Geographical Limits: |
Eastfield (or Tinto ) Inlier, south of Tinto, Lanarkshire. |
| Parent Unit: |
Carmichael Group (CARM)
|
| Previous Name(s): |
Downtonian sandstone including quartzite-conglomerate [Obsolete Name and Code: Use MAWO]
(-388)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Exposures from Eastfield Farm westwards to the north of March Wood. Phillips et al., in press; Read, 1927 |
| Reference(s): |
| Read, H H, 1927. The geology of the country around Edinburgh: The Tinto district. Proceedings of the Geologists' Association, London. Vol.38, 499-504 |
| Geological Survey of Great Britain. 1925. Summary of progress for 1924. (London: HMSO.) |
| Cameron, I B. 1997. Geology of the Howgate Mouth area. British Geological Survey Technichal Report, WA/97/67. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S023
S023
|
