BGS mineralogy and petrology collection record

Sample number S12499
Sample Donor Grabham, G.W.
Rock name 'Original entry: Calcsilicate Rock'
Stratigraphy Not entered
Comments Dr Flett, evidently after discussion with Grabham writes on collecting list "Thin bands in the Glencoe Quartzite; epidiorite or limestone near granite"
Locality details 1250 yds up Coupall River from mouth, Royal Forest
50k map sheet Ben Nevis (53)

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Map reference NN 2391 5521
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


S12499

Cross Polarized, S12499

Plane Polarized, S12499

Plane Polarized, S12499