BGS mineralogy and petrology collection record

Sample number S26565
Sample Donor Flett,J.S.
Rock name 'Original entry: Garnetiferous Biotite Gneiss'
Stratigraphy Not entered
Comments 1 ft garnet band in rusty pyritous gneiss; ?augite gneiss
Locality details SW shore of Gott Bay, Tiree
50k map sheet Tiree (42)

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Map reference NM 0436 4592
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


S26565

Cross Polarized, S26565

Plane Polarized, S26565

Plane Polarized, S26565