BGS mineralogy and petrology collection record

Sample number S7987
Sample Donor Barrow, G.
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Not entered
Locality details A little above the stone bridge, Glen Callater
50k map sheet Balmoral (65)

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Map reference NO 156 882
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


S7987

Cross Polarized, S7987

Plane Polarized, S7987

Plane Polarized, S7987