BGS mineralogy and petrology collection record

Sample number S11734
Sample Donor Harker, Alfred
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Summ Prog 1905, pp. 73-74
Locality details W slope of Ainshval, Rum
50k map sheet Rum (60)

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Map reference NM 376 941
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


S11734

Cross Polarized, S11734

Plane Polarized, S11734

Plane Polarized, S11734