| 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 [Obsolete Name and Code: Use MSC]
(-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
|
