BGS mineralogy and petrology collection record

Sample number S12489
Sample Donor Grabham, G.W.
Rock name 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Lava
Locality details 685 yds S 5 deg E from Lagan Garbh, Royal Forest
50k map sheet Ben Nevis (53)

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Map reference NN 2201 5546
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


S12489

Cross Polarized, S12489

Plane Polarized, S12489

Plane Polarized, S12489