| Computer Code: |
STQS |
Preferred Map Code: |
STS |
| Status Code: |
Full |
| Age range: |
Mid Devonian Epoch (DM)
— Mid Devonian Epoch (DM) |
| Lithological Description: |
[Obsolete]
Cross-bedded sandstone. |
| Definition of Lower Boundary: |
Flagstone - sandstone junction. |
| Definition of Upper Boundary: |
Base of the ashy sediments underlying the basalt lavas assigned to the 'Hoy Volcanic Formation'. |
| Thickness: |
c 35m |
| Geographical Limits: |
Hoy Island and neighbouring islands immediately to east. |
| Parent Unit: |
none recorded or not applicable
|
| Previous Name(s): |
Lower Eday Sandstone [Obsolete Name and Code: Use STQS, LED]
(-3519)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Partial Type Section |
Uppermost part: cliff section on western side of Too of the Head, Hoy. |
| Partial Type Section |
Basal part: coastal section southwestwards along the northeastern shore of North Bay, Hoy. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S117
|
