BGS mineralogy and petrology collection record

Sample number S39474
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Granodiorite Porphyry (Adamellite)'
Stratigraphy Not entered
Comments Grey granodiorite porphyry with pink feldspar phenocrysts; 65 ft E-W dyke cutting porphyritic granodiorite
Locality details Foreshore (Loch Sunart) 500 yds W of Strontian jetty
50k map sheet Tobermory (52)

View images in GeoScenic related to 'Tobermory'

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Map reference NM 8186 6091
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


S39474

Cross Polarized, S39474

Plane Polarized, S39474

Plane Polarized, S39474