The BGS Lexicon of Named Rock Units — Result Details

West Highland Granite Gneiss Intrusion

Computer Code: WHGG Preferred Map Code: WHGG
Status Code: Pending Upgrade
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: none recorded or not applicable
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: Not Available (!)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Fort Augustus Granite Gneiss
Ardgour Granite Gneiss
Loch Arkaig Granite Gneiss
Stratotypes:
none recorded or not applicable
Reference(s):
Friend, C R L, Kinney, P D, Rogers, G, Strachan, R A and Patterson, B A. 1997. U-Pb zircon geochronological evidence for Neoproterozoic events in the Glenfinnan Group (Moine Supergroup): the formation of the Ardgour granite gneiss, north-west Scotland. Contributions to Mineralogy and Petrology, Vol.128, 101-113. 
Barr, D, Roberts, A M, Highton, A J, Parson, L M and Harris, A L. 1985. Structural setting and geochronological significance of the West Highland Granitic Gneiss, a deformed early granite within Proterozoic, Moine rocks of north-west Scotland. Journal of the Geological Society of London, Vol.142, 663-675. 
May, F and Highton, A J, 1997. Geology of the Invermoriston district. Memoir of the British Geological Survey, sheet 73W [Scotland]. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S053 S052 S062 S062 S072 S073 S063 S053 S061