BGS mineralogy and petrology collection record

Sample number S25793; COLLNOWE66;
Sample Donor Flett,J.S.
Rock name 'Original entry: Nepheline-Biotite 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


S25793

Cross Polarized, S25793

Plane Polarized, S25793

Plane Polarized, S25793