BGS mineralogy and petrology collection record

Sample number S81916; S81916/A; S81916/B; COLLNOLY406;
Sample Donor Robertson,S.
Rock name Gneiss. 'Original entry: Biotite Semi Pelitic Gneiss'
Stratigraphy Not entered
Comments Biotite semi pelitic gneiss
Locality details Allt Seileach
50k map sheet Fortrose (84W)

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Map reference NH 8347 3246
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


S81916/A

Cross Polarized, S81916/A

Plane Polarized, S81916/A

Plane Polarized, S81916/A


S81916/B

Cross Polarized, S81916/B

Plane Polarized, S81916/B

Plane Polarized, S81916/B