BGS mineralogy and petrology collection record

Sample number S42811; COLLNOYB636;
Sample Donor Lawrie,T.R.M.
Rock name 'Original entry: Knotted Pelitic Gneiss (Muscovite-Biotite-Garnet With Quartzofeldspathic Lits)'
Stratigraphy Not entered
Comments Knotted pelitic gneiss (muscovite-biotite-garnet with quartzofeldspathic lits); typical of broad pelitic belts. Knots conspicuous on weathered surface, either muscovite or quartz-feldspar
Locality details 1 mile 440 yds W 33.5 deg S of junction of Allt Coir' an Eich with R Dessary
50k map sheet Loch Eil (62)

View images in GeoScenic related to 'Loch Eil'

View the geology near 'Loch Eil'

Map reference NM 9194 9203
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S42811

Cross Polarized, S42811

Plane Polarized, S42811

Plane Polarized, S42811