| Computer Code: |
GNST |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Visean Age (CV)
— Visean Age (CV) |
| Lithological Description: |
Massive, thick-bedded sandstones, alternating with more thinly bedded layers, commonly with carbonaceous and shaly partings. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
Variable, but averaging c.18m |
| Geographical Limits: |
Midlothian, specifically around Granton. |
| Parent Unit: |
Gullane Formation (GUL)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
Craigleith Sandstone
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Lexique Stratigraphique International. 1971. Volume 1, Europe, Fascicule 3a, England, Wales and Scotland, Part 3a VII, Lower Carboniferous (Dinantian). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
