BGS mineralogy and petrology collection record

Sample number S11551
Sample Donor Grabham, G.W.
Rock name 'Original entry: Quartz Porphyrite (Granophyric), Very Feldspathic'
Stratigraphy Not entered
Comments Dyke
Locality details 130 yds above junction of Coire Odhar and Coire Ghiubhasan burn
50k map sheet Ben Nevis (53)

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Map reference NN 2194 4916
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


S11551

Cross Polarized, S11551

Plane Polarized, S11551

Plane Polarized, S11551