BGS mineralogy and petrology collection record

Sample number S82218; S82218/A; S82218/B; COLLNOYW1715;
Sample Donor May,F.
Rock name Andesite. 'Original entry: Porphyrite'
Stratigraphy Not entered
Comments Porphyrite dyke 6m
Locality details Dog Falls
50k map sheet Glen Roy (63)

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Map reference NN 3728 8979
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


S82218/A

Cross Polarized, S82218/A

Plane Polarized, S82218/A

Plane Polarized, S82218/A


S82218/B

Cross Polarized, S82218/B

Plane Polarized, S82218/B

Plane Polarized, S82218/B