BGS mineralogy and petrology collection record

Sample number S10181
Sample Donor Wilkinson, S.B.
Rock name 'Original entry: Porphyrite'
Stratigraphy Not entered
Comments Much decomposed rock
Locality details At 721 ft SW of Cruachawe Uillt Fhearn, Jura
50k map sheet Kilmartin (36)

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Map reference NR 6151 9055
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


S10181

Cross Polarized, S10181

Plane Polarized, S10181

Plane Polarized, S10181