BGS mineralogy and petrology collection record

Sample number S41795
Sample Donor McCall, J.
Rock name Not entered
Stratigraphy Not entered
Comments Dyke
Locality details Near old burial ground, c. 0.125 mile NE of Balnahard, Colonsay
50k map sheet Colonsay (35)

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Map reference NR 421 999
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


S41795

Cross Polarized, S41795

Plane Polarized, S41795

Plane Polarized, S41795