BGS mineralogy and petrology collection record

Sample number S28882
Sample Donor Wilson, George Victor
Rock name 'Original entry: Granodiorite'
Stratigraphy Not entered
Comments Granite
Locality details Hillside 0.25 mile NNE Broch of Culswick
50k map sheet Foula (125)

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Map reference HU 254 453
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


S28882

Cross Polarized, S28882

Plane Polarized, S28882

Plane Polarized, S28882