BGS mineralogy and petrology collection record

Sample number S14705
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Porphyritic Andesite, Cf. S. 17184)'
Stratigraphy Not entered
Comments Probably lava
Locality details 0.5 mile NNE of trig pt 1075 ft Na Binneinean
50k map sheet Mull (44)

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Map reference NM 5877 3909
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


S14705

Cross Polarized, S14705

Plane Polarized, S14705

Plane Polarized, S14705