BGS mineralogy and petrology collection record

Sample number S9044
Sample Donor Kynaston, Herbert
Rock name 'Original entry: Altered Andesite'
Stratigraphy Not entered
Comments Altered by Ben Cruachan Granite (the unaltered rock contained biotite)
Locality details NW side of Monadh Driseag, Loch Awe
50k map sheet Oban (45)

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Map reference NN 109 284
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


S9044

Cross Polarized, S9044

Plane Polarized, S9044

Plane Polarized, S9044