BGS mineralogy and petrology collection record

Sample number S39525
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Biotite-Hornblende Granodiorite'
Stratigraphy Not entered
Comments Granodiorite 45 yds E of road
Locality details Roadside, 500 yds N 34 deg E of Achagavel
50k map sheet Tobermory (52)

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Map reference NM 7667 5634
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


S39525

Cross Polarized, S39525

Plane Polarized, S39525

Plane Polarized, S39525