| Computer Code: |
BLQU |
Preferred Map Code: |
symb |
| Status Code: |
Full |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
Cream quartzite and micaceous psammite. |
| Definition of Lower Boundary: |
Base of cream quartzites stratigraphically above the top of clean white quartzites of the Carn Dubh Quartzite Member. |
| Definition of Upper Boundary: |
Top of dominantly quartzite succession. Gradational boundary with increasing proportion of graphitic schist into the overlying dominantly graphitic Ben Eagach Schist Formation. |
| Thickness: |
To 300m |
| Geographical Limits: |
Northern part of Glen Shee district, (Sheet 56W). |
| Parent Unit: |
Creag Leacach Quartzite Formation (CLQU)
|
| Previous Name(s): |
Part of Creag Leacach Quartzite [Obsolete Name and Code: Use BLQU]
(-1995)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Bad an Loin. |
| Reference(s): |
| Crane, A, Goodman, S, Krabbendam, M K, Leslie, A G, Paterson, I B, Robertson, S, and Rollin, K. 1996. Geology of the Glen Shee district. Memoir of the British Geological Survey, Sheet 56W and adjacent areas (Scotland). |
| Upton, P S. 1986. A structural cross-section of the Moine and Dalradian rocks of the Braemar area. Report of the British Geological Survey, Vol.17, No.1, 9-19. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S056
S065
|
