BGS mineralogy and petrology collection record

Sample number S63085; COLLNOGX176;
Sample Donor Mendum,J.R.
Rock name 'Original entry: Tonalite, Slightly Foliated'
Stratigraphy Not entered
Comments Tonalite, slightly foliated; Lewisian
Locality details 300 m ESE of Sgeir Liath, S Harris
50k map sheet North Uist (89)

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Map reference NG 0120 9384
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


S63085

Cross Polarized, S63085

Plane Polarized, S63085

Plane Polarized, S63085