BGS mineralogy and petrology collection record

Sample number S34390; COLLNOMRC8;
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Olivine-Basalt, Dunsapie Type Agm'
Stratigraphy Not entered
Comments Porphyritic basalt, NW end of Samson's Ribs
Locality details S of road, 380 yds E 16 deg S of Bench Mark 255.2 ft near St Leonard's Lodge
50k map sheet Edinburgh (32)

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Map reference NT 2737 7256
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


S34390

Cross Polarized, S34390

Plane Polarized, S34390

Plane Polarized, S34390