BGS mineralogy and petrology collection record

Sample number S4552
Sample Donor Barrow, G.
Rock name 'Original entry: Muscovite-Biotite Gneiss'
Stratigraphy Not entered
Comments See Memoir, p. 15
Locality details 1/2 mile above Bothy of Mark
50k map sheet Balmoral (65)

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Map reference NO 331 820
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


S4552

Cross Polarized, S4552

Plane Polarized, S4552

Plane Polarized, S4552