BGS mineralogy and petrology collection record

Sample number S13893
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Micro-Ophitic Basalt'
Stratigraphy Not entered
Comments Lava; feldspar appears to be labradorite
Locality details Foot of scarp 80 yds N of S. 13892, Maol Buidhe
50k map sheet Mull (44)

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Map reference NM 6213 4154
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


S13893

Cross Polarized, S13893

Plane Polarized, S13893

Plane Polarized, S13893