The BGS Lexicon of Named Rock Units — Result Details

Sandend Formation [Obsolete Name And Code: See SNDL, TNPL And FORD]

Computer Code: DASG Preferred Map Code: notEntered
Status Code: Index Level
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Mica schists, phyllite, black schists as well as limestone and quartzite.
Definition of Lower Boundary: Drawn at base of limestone of Sandend Formation where it rests conformably on phyllite and actinolite-schists of the Garron Point Formation.
Definition of Upper Boundary: Drawn at unconformable upward passage from mica-schists and phyllite of the Sandend Formation to tillite of the Durnhill Quartzite.
Thickness: 1320 metres approx.
Geographical Limits: Grampian, Scotland.
Parent Unit: Not Entered (?)
Previous Name(s): Sandend Group (-2740)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Sandend, Grampian, Scotland. 
Reference(s):
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. 
Johnstone, G S, 1966. The Grampian Highlands. British Regional Geology. 
Read, H H, 1923. Geology of the country around Banff, Huntly and Turriff, Lower Banffshire and north-west Aberdeenshire. Memoir of the Geological Survey, Scotland Sheets 86 and 96 (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable