BGS mineralogy and petrology collection record

Sample number S28810
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Contaminated Granodioirite'
Stratigraphy Not entered
Comments Dark grey fine-grained inclusion in tonalite
Locality details Roadside 1720 yds W of Carnoch
50k map sheet Tobermory (52)

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Map reference NM 8295 6082
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


S28810

Cross Polarized, S28810

Plane Polarized, S28810

Plane Polarized, S28810