The BGS Lexicon of Named Rock Units — Result Details

Mount Blair Psammite And Semipelite Formation

Computer Code: MBPS Preferred Map Code: symb
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Schistose psammite and semipelite. Locally gneissose semipelite in north.
Definition of Lower Boundary: Top of the highest metacarbonate rock unit of the Loch Tay Limestone Formation.
Definition of Upper Boundary: Base of thick green-bed unit that separates the formation from the overlying Cairn Gibbs Formation.
Thickness: Not known because of folding.
Geographical Limits: Eastern boundary of Sheet 56W (Glen Shee) west to Strath Ardle.
Parent Unit: Southern Highland Group (SOHI)
Previous Name(s): Southern Highland Group (Undivided) (-1424)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Mount Blair area. 
Reference Section  Area between Auchintaple Loch and Craighead. 
Type Section  Cuingard. 
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). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S056