BGS mineralogy and petrology collection record

Sample number S21240
Sample Donor Simpson,J.B.
Rock name 'Original entry: Porphyritic Olivine-Basalt'
Stratigraphy Not entered
Comments This portion of the dyke is 6 ft 6 in wide, amygdaloidal
Locality details S coast of Oronsay Is, 800 yds E by S of Ceann Garbh
50k map sheet Tobermory (52)

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Map reference NM 5870 5862
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


S21240

Cross Polarized, S21240

Plane Polarized, S21240

Plane Polarized, S21240