BGS mineralogy and petrology collection record

Sample number S8440
Sample Donor Barrow, G.
Rock name 'Original entry: ?'
Stratigraphy Not entered
Comments Two micas, quartz and some undeterminable substance; see memoir, p. 24
Locality details Allt an Loch below junction of two branches of the - Head of Callater
50k map sheet Balmoral (65)

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Map reference NO 204 813
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


S8440

Cross Polarized, S8440

Plane Polarized, S8440

Plane Polarized, S8440