The BGS Lexicon of Named Rock Units — Result Details

Bla-Bheinn Member

Computer Code: TCDB Preferred Map Code: TCDB
Status Code: Full
Age range: Tonian Period (AT) — Tonian Period (AT)
Lithological Description: Conglomerate, coarse, gritty sandstone.
Definition of Lower Boundary: Not known.
Definition of Upper Boundary: Conformably overlain by the Sgurr Na Stri Member (TCDS); poorly exposed. Elsewhere unconformably overlain by Jurassic strata.
Thickness: 70 m (mimimum).
Geographical Limits: Skye, Loch Scavaig.
Parent Unit: Diabaig Formation (TCD)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
British Geological Survey. 2002. Broadford. Scotland Sheet 71W. Solid and Drift Geology. 1:50 000 Geology Series. (Keyworth, Nottingham: British Geological Survey.) 
Krabbendam, M. 2021. A stratigraphic framework for the early Neoproterozoic successions of the Northern Highlands of Scotland. UK Stratigraphic Framework Series. British Geological Survey Open Report, OR/21/072. 86pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S071