BGS mineralogy and petrology collection record

Sample number S48668; COLLNOYR488;
Sample Donor Smith,D.I.
Rock name 'Original entry: Highly Porphyritic Porphyrite'
Stratigraphy Not entered
Comments Highly porphyritic porphyrite dyke
Locality details Inverawe Tunnel runs SE (HE 26); 6125 ft from access tunnel portal
50k map sheet Oban (45)

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Map reference NN 0336 3145
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


S48668

Cross Polarized, S48668

Plane Polarized, S48668

Plane Polarized, S48668