BGS mineralogy and petrology collection record

Sample number S12779
Sample Donor Grabham, G.W.
Rock name 'Original entry: Xenolithic Rhyolite'
Stratigraphy Not entered
Comments ?Ash or flow breccia; seems to show ashen structures
Locality details 880 yds S 7 deg W from trig pt Stob Dearg
50k map sheet Ben Nevis (53)

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Map reference NN 222 535
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


S12779

Cross Polarized, S12779

Plane Polarized, S12779

Plane Polarized, S12779