BGS mineralogy and petrology collection record

Sample number S25797; COLLNOWE70;
Sample Donor Flett,J.S.
Rock name 'Original entry: Nepheline Monchiquite'
Stratigraphy Not entered
Comments Not entered
Locality details Around Croo Stone, south of Rumley Point, South Ronaldsay
50k map sheet Copinsay (118)

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Map reference ND 489 940
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


S25797

Cross Polarized, S25797

Plane Polarized, S25797

Plane Polarized, S25797