BGS mineralogy and petrology collection record

Sample number S2611
Sample Donor Gunn, W.
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Quartz porphyry
Locality details S of St Blanes Hill
50k map sheet Arran (Millport) (21)

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Map reference NS 09 52
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


S2611

Cross Polarized, S2611

Plane Polarized, S2611

Plane Polarized, S2611