The BGS Lexicon of Named Rock Units — Result Details

Boyndie Bay Formation [Obsolete Name And Code: See MCD]

Computer Code: DCBD Preferred Map Code: notEntered
Status Code: Index Level
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: A slaty rock characterised by the gradual development of andalusite to a complete form throughout occurs. Bands of pebbly quartz-feldspar grit.
Definition of Lower Boundary: Drawn at the base of the semi-pelitic wacke of the Boyndie Bay Formation where it rests conformably on the psammitic wacke of the Upper Whitehills Formation.
Definition of Upper Boundary: Drawn at the conformable upward passage from semi-pelitic wacke of the Boyndie Bay Formation to the Macduff Slates.
Thickness: Not Known.
Geographical Limits: Grampian, Scotland.
Parent Unit: Not Entered (?)
Previous Name(s): Boyndie Bay Group (-203)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Boyndie Bay, Banffshire, Scotland. 
Reference(s):
Read, H H, 1936. The stratigraphical order of the Dalradian rocks of the Banffshire Coast. Geological Magazine, Vol.73, p.472. 
Read, H H, 1921. The Banffshire Coast section of the Highland Schists. Summary of Progress of the Geological Survey of Great Britain for 1920, p.70. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable