| Computer Code: |
WAG |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Early Devonian Epoch (DL)
— Early Devonian Epoch (DL) |
| Lithological Description: |
Basal conglomerate, sandstone and pebbly sandstone with beds of dolomitic siltstone and mudstone. |
| Definition of Lower Boundary: |
Drawn at the base of thr Dronga Conglomerate and Pebbly Sandstone. Base not seen, or faulted contact. |
| Definition of Upper Boundary: |
Drawn at conformable upward passage from the Ward Hill Sandstone to siltstone and mudstone of the Furse Argillaceous Beds at the base of the Observatory Sandstone Formation. |
| Thickness: |
c.1600m |
| Geographical Limits: |
Shetlands, Scotland. |
| Parent Unit: |
Fair Isle Group (FIL)
|
| Previous Name(s): |
Ward Hill Group [Obsolete Name and Code: Use WAG]
(-1903)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Fair Isle, Southern Shetlands, Scotland. |
| Reference(s): |
| House, M R, Richardson, J B, Chaloner, W G, Allen, J R L, Holland, C H and Westoll, T S. 1977. A Correlation of Devonian rocks of the British Isles. Geological Society of London, Special Report No.8, Scottish Academic Press, Edinburgh. |
| Mykura, W, 1970. The Old Red Sandstone sediments of Fair Isle, Shetland Islands, Bulletin of the Geological Survey of Great Britain, No.41. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S126
|
