| Computer Code: |
STW |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Guadalupian Epoch (PUG)
— Early Triassic Epoch (TE) |
| Lithological Description: |
Conglomerate and sandstone with subsidiary breccia and trace nodular limestone (cornstone). |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
none recorded or not applicable
|
| Parent Unit: |
New Red Sandstone Supergroup (NRS)
|
| Previous Name(s): |
Stornoway Beds [Obsolete Name and Code: Use STW]
(-1849)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Fettes, D J, Mendum, J R, Smith, DI, and Watson, J V. 1992. Geology of the Outer Hebrides. Memoir of the British Geological Survey, Sheets (solid edition) Lewis and Harris, Uist and Barra (Scotland). |
| Steel, R J and Wilson, A C, 1975. Sedimentation and tectonism (?Permo-Triassic) on the margin of the North Minch Basin, Lewis. Journal of the Geological Society of London, Vol.131, 183-202. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S071
S081
S044
S070
S052
S052
S346
|
