BGS mineralogy and petrology collection record

Sample number S14008
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Augite Picrite'
Stratigraphy Not entered
Comments Balnahard kentallenite; picritic type of kentallenite (?more augite than S. 13375)
Locality details Balnahard, Colonsay; "newly discovered exposure W of field"
50k map sheet Colonsay (35)

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Map reference NR 4110 9948
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


S14008

Cross Polarized, S14008

Plane Polarized, S14008

Plane Polarized, S14008