BGS mineralogy and petrology collection record

Sample number S28495
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Gneiss, Fine-Grained, Grey'
Stratigraphy Not entered
Comments Fine-grained grey ?gneissic rock apparently enclosed by S. 27821
Locality details Allt Coire na Cloiche 250 yds upstream from junction with River Moidart
50k map sheet Tobermory (52)

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Map reference NM 7539 7511
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


S28495

Cross Polarized, S28495

Plane Polarized, S28495

Plane Polarized, S28495