The BGS Lexicon of Named Rock Units — Result Details

Bad An Loin Quartzite Member

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 (-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