BGS mineralogy and petrology collection record

Sample number S13379
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Micropegmatitic Mass'
Stratigraphy Not entered
Comments Segregation or dissolved quartz mass in S. 13378
Locality details Port Easdail, Kiloran Bay, Colonsay
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


S13379

Cross Polarized, S13379

Plane Polarized, S13379

Plane Polarized, S13379