BGS mineralogy and petrology collection record

Sample number S8616
Sample Donor Kynaston, Herbert
Rock name 'Original entry: Porphyrite'
Stratigraphy Not entered
Comments Not entered
Locality details 0.5 mile N of Craig House, Dalmally
50k map sheet Oban (45)

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Map reference NN 178 286
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


S8616

Cross Polarized, S8616

Plane Polarized, S8616

Plane Polarized, S8616