BGS mineralogy and petrology collection record

Sample number S13544
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Mica-Bearing Lamprophyre'
Stratigraphy Not entered
Comments Quite rotten, no cleavage. Fragment from the Kiloran breccia
Locality details N end of Traigh Bhan, Kiloran Bay, S of Port Easdail
50k map sheet Colonsay (35)

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Map reference NR 4036 9835
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


S13544

Cross Polarized, S13544

Plane Polarized, S13544

Plane Polarized, S13544