BGS mineralogy and petrology collection record

Sample number S13540
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Very Rotten Lamprophyre'
Stratigraphy Not entered
Comments S. 13540-13541 are from same dyke
Locality details Port Easdail, Kiloran Ban, Colonsay
50k map sheet Colonsay (35)

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Map reference NR 4045 9842
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


S13540

Cross Polarized, S13540

Plane Polarized, S13540

Plane Polarized, S13540