BGS mineralogy and petrology collection record

Sample number S11730
Sample Donor Harker, Alfred
Rock name 'Original entry: Porphyritic Olivine-Dolerite'
Stratigraphy Not entered
Comments Summ Prog 1905, pp. 73-74; Mem Small Isles, p. 125
Locality details Sill above road, Ealaist, Canna
50k map sheet Rum (60)

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Map reference NG 255 054
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


S11730

Cross Polarized, S11730

Plane Polarized, S11730

Plane Polarized, S11730