The BGS Lexicon of Named Rock Units — Result Details

Birnam Slate And Grit Formation

Computer Code: BSAG Preferred Map Code: symb
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Slaty pelite and gritty psammite.
Definition of Lower Boundary: Not seen.
Definition of Upper Boundary: Boundary with unassigned part of Southern Highland Group.
Thickness: Not known
Geographical Limits: Birnam area.
Parent Unit: Southern Highland Group (SOHI)
Previous Name(s): Birnam Grit [Obsolete Name And Code: Use BSAG] (DCBI)
Birnam Slate [Obsolete Name And Code: Use BSAG] (DCBS)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  Baldornoch Quarry. 
Reference Section  Quarries around Quarry Hill. 
Type Area  Newtyle Hill. 
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). 
Armstrong, M, Paterson, I B, and Browne, M A E. 1985. Geology of the Perth and Dundee district. Memoir of the British Geological Survey, Sheets 48W, 48E and 49 (Scotland). 108pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S056 S048