BGS mineralogy and petrology collection record

Sample number S14496
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Granodiorite'
Stratigraphy Not entered
Comments Lairg 'Granite'. Calc-tonalite of Bailey. Hornblende-biotite-plagioclase-orthoclase
Locality details Just N of enclosure between forks of burn which joins the Allt a'Ghleannain in its mid course at Breigh nan Allt
50k map sheet Lairg (102)

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Map reference NC 65125 05301
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


S14496

Cross Polarized, S14496

Plane Polarized, S14496

Plane Polarized, S14496