BGS mineralogy and petrology collection record

Sample number S12755
Sample Donor Grabham, G.W.
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Dyke
Locality details 400 yds N 42 deg W from trig pt 3345 ft Stob Dearg, Buchaille Etive Mor
50k map sheet Ben Nevis (53)

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Map reference NN 2209 5464
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


S12755

Cross Polarized, S12755

Plane Polarized, S12755

Plane Polarized, S12755