BGS mineralogy and petrology collection record

Sample number S13386
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Much-Cleaved Lamprophyre'
Stratigraphy Not entered
Comments Contains a good deal of quartz
Locality details Rubha na Lice Buidhe, Colonsay
50k map sheet Colonsay (35)

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Map reference NM 4258 0081
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


S13386

Cross Polarized, S13386

Plane Polarized, S13386

Plane Polarized, S13386