BGS mineralogy and petrology collection record

Sample number S30559
Sample Donor Richey, James E.
Rock name 'Original entry: Contact-Altered Tonalite'
Stratigraphy Not entered
Comments Tonalite; 20 yd x 20 yd boss in psammitic Moine
Locality details Roadside 900 yds NE of Bellsgrove Loch
50k map sheet Tobermory (52)

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Map reference NM 8367 6586
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


S30559

Cross Polarized, S30559

Plane Polarized, S30559

Plane Polarized, S30559