BGS mineralogy and petrology collection record

Sample number S9391
Sample Donor Gunn, W.
Rock name 'Original entry: Hornblende Andesite'
Stratigraphy Not entered
Comments Hornblende andesite, pebble from O.R. conglomerate
Locality details Scar E of Creag Mhor, Auchencar
50k map sheet Arran (Millport) (21)

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Map reference NR 89 36
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


S9391

Cross Polarized, S9391

Plane Polarized, S9391

Plane Polarized, S9391