BGS mineralogy and petrology collection record

Sample number S40927
Sample Donor Wright,J.E.
Rock name 'Original entry: Biotite Porphyroblast Schist Or Phyllite From 240 Ft Thick Group Of Leven-Type S'
Stratigraphy Not entered
Comments Not entered
Locality details Allt Bo-Loin, 750 yds W 2deg S of junction with Allt Ionndrainn
50k map sheet Glen Roy (63)

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Map reference NN 268 831
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


S40927

Cross Polarized, S40927

Plane Polarized, S40927

Plane Polarized, S40927