The BGS Lexicon of Named Rock Units — Result Details

Strathy Complex

Computer Code: MSC Preferred Map Code: MSC
Status Code: Pending Upgrade
Age range: Proterozoic Eon (AP) — Proterozoic Eon (AP)
Lithological Description: Quartzose banded gneisses, locally magnetite-rich. Orthopyroxene recorded in parts. Garnets common. Rare semi-pelitic and calc-silicate bands. Geochemically distinct - depleted in K, Rb, Cs, Th, La, B.
Definition of Lower Boundary: East boundary - fault. Small fault also approximately coincides with west boundary. Generally grades rapidly into highly migmatitic psammites and semi-pelites.
Definition of Upper Boundary: East boundary - fault. Small fault also approximately coincides with west boundary. Generally grades rapidly into highly migmatitic psammites and semi-pelites.
Thickness: Not defined.
Geographical Limits: Not defined.
Parent Unit: Not Entered (?)
Previous Name(s): Feldspathic Gneiss Of Strathy (-4805)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  East side of Strathy Point Lighthouse. Section stretches between Strathy (NC 834 655) and Port Mor (NC 773 655). 
Reference(s):
Harrison, V E, and Moorhouse, S J. 1976. A possible early Scourian supercrustal assemblage within the Moine). Journal of the Geological Society of London, Vol.132, p.461-466. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S115