| Computer Code: |
GBUCK |
Preferred Map Code: |
BU |
| Status Code: |
Full |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
Quartzofeldspathic psammites (local arkosic) with semipelite, pebbly and microconglomeratic beds. |
| Definition of Lower Boundary: |
Not seen - faulted against Moine and Old Red Sandstone rocks. |
| Definition of Upper Boundary: |
Not seen - faulted and sheared against Tarff Banded Formation. Contact defined in part by the Eilrig Shear Zone. |
| Thickness: |
Up to 800 m. |
| Geographical Limits: |
Central Highlands of Scotland - Sheets 73W and 63W. |
| Parent Unit: |
Glenshirra Subgroup (GRGL)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
North of Loch Tarff on SSW end of ridge leading to Beinn A'bhacaidh. |
| Type Section |
Glen Buck. |
| Reference Section |
Borlum Hill [WNW flank]. |
| Reference(s): |
| May, F and Highton, A J, 1997. Geology of the Invermoriston district. Memoir of the British Geological Survey, sheet 73W [Scotland]. |
| Key, R M, Clark, G C, May, F, Phillips, E R, Chacksfield, B C and Peacock, J D, 1997. Geology of the Glen Roy district. Memoir of the British Geological Survey, Sheet 63W [Scotland]. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S063
S073
S073
|
