BGS mineralogy and petrology collection record

Sample number S24389
Sample Donor Tyrrell, G.W.
Rock name Not entered
Stratigraphy Not entered
Comments Quartz felsite near margin of dyke 26 feet thick
Locality details Glen Dubh Water, 100 yards above confluence with Glen Ormidale Water
50k map sheet Arran (Millport) (21)

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Map reference NR 995 345
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


S24389

Cross Polarized, S24389

Plane Polarized, S24389

Plane Polarized, S24389