BGS mineralogy and petrology collection record

Sample number S12488
Sample Donor Grabham, G.W.
Rock name 'Original entry: Rhyolitic Tuff'
Stratigraphy Not entered
Comments With andesite fragments; ash structure
Locality details 1210 yds W 40 deg N from trig pt 3345 ft Buchaille Etive Mor
50k map sheet Ben Nevis (53)

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Map reference NN 2149 5495
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


S12488

Cross Polarized, S12488

Plane Polarized, S12488

Plane Polarized, S12488