BGS mineralogy and petrology collection record

Sample number S21106
Sample Donor Haldane,D.
Rock name 'Original entry: Intermediate Ach'Uaine Hybrid'
Stratigraphy Not entered
Comments Biotite, pyroxene, alkali-feldspars
Locality details Ridge S of burn Allt Asdale
50k map sheet Lairg (102)

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Map reference NH 62729 95789
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


S21106

Cross Polarized, S21106

Plane Polarized, S21106

Plane Polarized, S21106