BGS mineralogy and petrology collection record

Sample number S13626; S13626/A; S13626/B;
Sample Donor Bailey, E.B.
Rock name 'Original entry: Nepheline Ouachitite'
Stratigraphy Not entered
Comments S. 13624-13631 appear to be from same post-Carboniferous dyke; 2 slides from same specimen; Colonsay Mem, p. 46
Locality details Lower Kilchattan, Colonsay
50k map sheet Colonsay (35)

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Map reference NR 3680 9491
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


S13626/A

Cross Polarized, S13626/A

Plane Polarized, S13626/A

Plane Polarized, S13626/A


S13626/B

Cross Polarized, S13626/B

Plane Polarized, S13626/B

Plane Polarized, S13626/B