BGS mineralogy and petrology collection record

Sample number S11688
Sample Donor Harker, Alfred
Rock name 'Original entry: Porphyritic Quartz Felsite'
Stratigraphy Not entered
Comments Not entered
Locality details NE slope of Ainshval, Rum
50k map sheet Rum (60)

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View the geology near 'Rum'

Map reference NM 381 944
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


S11688

Cross Polarized, S11688

Plane Polarized, S11688

Plane Polarized, S11688