BGS mineralogy and petrology collection record

Sample number S28478; S28478/A;
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Pegmatite'
Stratigraphy Not entered
Comments Specimen of 2-3 ft augen pegmatite band in injection gneiss
Locality details 725 yds S 25 deg E of spot ht 1476 ft Mam na Luirginn
50k map sheet Tobermory (52)

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Map reference NM 7196 7323
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


S28478

Cross Polarized, S28478

Plane Polarized, S28478

Plane Polarized, S28478


S28478/A

Cross Polarized, S28478/A

Plane Polarized, S28478/A

Plane Polarized, S28478/A