BGS mineralogy and petrology collection record

Sample number S82220; COLLNOYW1717;
Sample Donor May,F.
Rock name Andesite. 'Original entry: Porphyrite'
Stratigraphy Not entered
Comments Porphyrite dyke 1.5m
Locality details Dog Falls
50k map sheet Glen Roy (63)

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Map reference NN 3740 8970
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


S82220

Cross Polarized, S82220

Plane Polarized, S82220

Plane Polarized, S82220