BGS mineralogy and petrology collection record

Sample number S41105; COLLNOXN1016;
Sample Donor Wright,J.
Rock name 'Original entry: Sillimanite-Quartz-Biotite Gneiss'
Stratigraphy Not entered
Comments Injected pelite with ?sillimanite-rich augen; from 2 ft band in striped semipelite and pelite with much pegmatite
Locality details 1150 yds S 32 deg W of junction of Allt a' Choire and Allt a' Choire Odhair Bhig
50k map sheet Loch Eil (62)

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Map reference NM 8778 8493
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


S41105

Cross Polarized, S41105

Plane Polarized, S41105

Plane Polarized, S41105