BGS mineralogy and petrology collection record

Sample number S82242; S82242/A; S82242/B; COLLNOYW1742;
Sample Donor May,F.
Rock name Felsite. 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Quartz porphyry, large intrusion
Locality details Sron Nead
50k map sheet Glen Roy (63)

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Map reference NN 4182 9189
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


S82242/A

Cross Polarized, S82242/A

Plane Polarized, S82242/A

Plane Polarized, S82242/A


S82242/B

Cross Polarized, S82242/B

Plane Polarized, S82242/B

Plane Polarized, S82242/B