BGS mineralogy and petrology collection record

Sample number S13526; S13526/A; S13526/B;
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Puckered Phyllite With Strain-Slip Cleavage'
Stratigraphy Not entered
Comments Cut to study cleavages; 2 slides, a & b
Locality details On shore S of Eilean Dubh, Colonsay
50k map sheet Colonsay (35)

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Map reference NM 4203 0067
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


S13526/A

Cross Polarized, S13526/A

Plane Polarized, S13526/A

Plane Polarized, S13526/A


S13526/B

Cross Polarized, S13526/B

Plane Polarized, S13526/B

Plane Polarized, S13526/B