BGS mineralogy and petrology collection record

Sample number S37943
Sample Donor Anderson,F.W.; Macgregor,A.G.;
Rock name Not entered
Stratigraphy Not entered
Comments Junction of porphyritic and non-porphyritic parts of "composite flow"
Locality details N side of summit of Roineval
50k map sheet Minginish (70)

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Map reference NG 402 342
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


S37943

Cross Polarized, S37943

Plane Polarized, S37943

Plane Polarized, S37943