BGS mineralogy and petrology collection record

Sample number S31195
Sample Donor Road Board
Rock name 'Original entry: Quartz Porphyrite'
Stratigraphy Not entered
Comments Centre of quarry
Locality details Furnace granite quarries, Inveraray
50k map sheet Inverarray (37)

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Map reference NN 028 001
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


S31195

Cross Polarized, S31195

Plane Polarized, S31195

Plane Polarized, S31195