BGS mineralogy and petrology collection record

Sample number S57106; COLLNOYR1828;
Sample Donor Smith,D.I.
Rock name 'Original entry: Gneiss, Acid'
Stratigraphy Not entered
Comments Typical acid gneiss; Lewisian country rock
Locality details W coast of Gallan Head
50k map sheet Uig ? (104)

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Map reference NB 0358 3744
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


S57106

Cross Polarized, S57106

Plane Polarized, S57106

Plane Polarized, S57106