BGS mineralogy and petrology collection record

Sample number S4641
Sample Donor Gunn, W.
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Quartz porphyry
Locality details E of Uamh Capuill, S. Bute
50k map sheet Arran (Millport) (21)

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Map reference NS 090 520
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


S4641

Cross Polarized, S4641

Plane Polarized, S4641

Plane Polarized, S4641