BGS mineralogy and petrology collection record

Sample number S20764
Sample Donor Anderson, E.M.
Rock name 'Original entry: Augite Andesite'
Stratigraphy Not entered
Comments Fragment in breccia associated with the Ardtun Leaf Bed; Memoir, p. 63
Locality details Just E of Carraig Chorrach
50k map sheet Iona (43)

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Map reference NM 3803 2485
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


S20764

Cross Polarized, S20764

Plane Polarized, S20764

Plane Polarized, S20764