BGS mineralogy and petrology collection record

Sample number S13560
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Quartz-Syenite'
Stratigraphy Not entered
Comments S. 13558-13560 form a series of basic wisps at margin of syenite; Colonsay Mem., p. 29; syenite adjoining
Locality details Eilean Easdail, Kiloran Bay
50k map sheet Colonsay (35)

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Map reference NR 402 984
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


S13560

Cross Polarized, S13560

Plane Polarized, S13560

Plane Polarized, S13560