BGS mineralogy and petrology collection record

Sample number S48680; S48680/A; COLLNOYR509;
Sample Donor Smith,D.I.
Rock name 'Original entry: Coarse Porphyrite'
Stratigraphy Not entered
Comments Coarse porphyrite dyke (centre)
Locality details Inverawe Tunnel runs SE (HE 26); 4040 ft from access tunnel portal
50k map sheet Oban (45)

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Map reference NN 0274 3185
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


S48680

Cross Polarized, S48680

Plane Polarized, S48680

Plane Polarized, S48680


S48680/A

Cross Polarized, S48680/A

Plane Polarized, S48680/A

Plane Polarized, S48680/A