BGS mineralogy and petrology collection record

Sample number S14000
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Baked Sediment'
Stratigraphy Not entered
Comments Contact alteration by kentallenite
Locality details Balnahard, Colonsay
50k map sheet Colonsay (35)

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Map reference NR 4135 9918
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


S14000

Cross Polarized, S14000

Plane Polarized, S14000

Plane Polarized, S14000