BGS mineralogy and petrology collection record

Sample number S4861; S4861/a;
Sample Donor Barrow, G.
Rock name 'Original entry: Sillimanite Gneiss'
Stratigraphy Not entered
Comments Not entered
Locality details Ben Tirran
50k map sheet Balmoral (65)

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Map reference NO 37 74
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


S4861

Cross Polarized, S4861

Plane Polarized, S4861

Plane Polarized, S4861


S4861/a

Cross Polarized, S4861/a

Plane Polarized, S4861/a

Plane Polarized, S4861/a