BGS mineralogy and petrology collection record

Sample number S20763
Sample Donor Anderson, E.M.
Rock name 'Original entry: Siliceous Xenolith'
Stratigraphy Not entered
Comments Xenolith in intrusive sill or sheet, no sapphire; Memoir, pp. 272, 274; QJGS, Vol 78, 1922, p. 240
Locality details 600 yds W from cairn on Beinn Bhugan
50k map sheet Iona (43)

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Map reference NM 4509 2308
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


S20763

Cross Polarized, S20763

Plane Polarized, S20763

Plane Polarized, S20763