BGS mineralogy and petrology collection record

Sample number S4239
Sample Donor Barrow, G.
Rock name 'Original entry: Muscovite-Biotite Gneiss'
Stratigraphy Not entered
Comments Very little muscovite
Locality details Lochanluie
50k map sheet Balmoral (65)

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Map reference NO 383 736
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


S4239

Cross Polarized, S4239

Plane Polarized, S4239

Plane Polarized, S4239