BGS mineralogy and petrology collection record

Sample number S21890
Sample Donor Read, H.H.
Rock name 'Original entry: Basic Ach'Uaine Hybrid'
Stratigraphy Not entered
Comments Hybrid; S.21888 encloses S.21889, which encloses S.21890
Locality details Cnoc a'Choire Bhuidhe, Invershin
50k map sheet Lairg (102)

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Map reference NH 60847 95637
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


S21890

Cross Polarized, S21890

Plane Polarized, S21890

Plane Polarized, S21890