| Computer Code: |
GABR |
Preferred Map Code: |
GV |
| Status Code: |
Full |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
Feldspathic psammite, micaceous psammite and schistose semipelite. |
| Definition of Lower Boundary: |
Not exposed. |
| Definition of Upper Boundary: |
Sharp but conformable boundary with overlying Core nan Laogh Semipelite. Contact locally sheared, probably a disconformity. |
| Thickness: |
min. 2 km. |
| Geographical Limits: |
Central Highlands of Scotland, sheet 73E, 63E, 63W, southern Monadhliath Mountains. |
| Parent Unit: |
Glenshirra Subgroup (GRGL)
|
| Previous Name(s): |
Gairbeinn Psammite Formation
(-708)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
Section in Allt Coire Iain Oig. |
| Type Section |
Section in Allt a Ghamnha at Garva Bridge. |
| Reference(s): |
| Robertson, S and Merritt, J W [in prep.]. Geology of the Dalwhinnie district. Sheet description of 1:50000 sheet 63E [Scotland]. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S063
S073
S063
|
