BGS mineralogy and petrology collection record

Sample number S29618; S29618/A;
Sample Donor Phemister,J.
Rock name 'Original entry: Main Granite With Coarse Granitic 'Segregation''
Stratigraphy Not entered
Comments Not entered
Locality details Laggan - Loch Treig tunnel, Heading B north 1500 ft
50k map sheet Glen Roy (63)

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Map reference NN 3694 7998
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


S29618

Cross Polarized, S29618

Plane Polarized, S29618

Plane Polarized, S29618


S29618/A

Cross Polarized, S29618/A

Plane Polarized, S29618/A

Plane Polarized, S29618/A