BGS mineralogy and petrology collection record

Sample number S7720
Sample Donor Symes, Richard G
Rock name 'Original entry: Porphyrite'
Stratigraphy Not entered
Comments Junction of sill and andesite
Locality details 0.5 mile E of Inion
50k map sheet Oban (45)

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Map reference NM 9678 3552
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


S7720

Cross Polarized, S7720

Plane Polarized, S7720

Plane Polarized, S7720