BGS mineralogy and petrology collection record

Sample number S63077; COLLNOGX168;
Sample Donor Mendum,J.R.
Rock name 'Original entry: Mylonitic Quartzofeldspathic Gneiss'
Stratigraphy Not entered
Comments Mylonitic quartzofeldspathic gneiss; Lewisian
Locality details N end of Loch Langavat, S harris
50k map sheet North Uist (89)

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Map reference NG 0404 9179
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


S63077

Cross Polarized, S63077

Plane Polarized, S63077

Plane Polarized, S63077