BGS mineralogy and petrology collection record

Sample number S21072
Sample Donor Read, H.H.
Rock name 'Original entry: Hornblende-Biotite Schist'
Stratigraphy Not entered
Comments Dark white schist. Probably hornblendic rock of durcha Type?
Locality details Shore below Creagandubh, 0.5 mile N of Bonar Bridge
50k map sheet Lairg (102)

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Map reference NH 60652 92395
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


S21072

Cross Polarized, S21072

Plane Polarized, S21072

Plane Polarized, S21072