BGS mineralogy and petrology collection record

Sample number S52256; COLLNOXJ1374;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Very Coarse Schistose Grit'
Stratigraphy Not entered
Comments Very coasrse schistose grit; Moinian
Locality details W side of bay at Traigh Bhan
50k map sheet Colonsay (35)

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Map reference NM 4338 1824
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


S52256

Cross Polarized, S52256

Plane Polarized, S52256

Plane Polarized, S52256