BGS mineralogy and petrology collection record

Sample number S17999
Sample Donor Anderson,J.G.C.
Rock name 'Original entry: Sapphire-Bearing Xenolith'
Stratigraphy Not entered
Comments Xenolith in S. 17996; Memoir, pp. 272, 278; QJGS Vol 78, 1922, Plate VIII, Figs 3, 4
Locality details Allt a' Mhuchaidh, 1000 yds above bridge
50k map sheet Mull (44)

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Map reference NM 4892 3064
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


S17999

Cross Polarized, S17999

Plane Polarized, S17999

Plane Polarized, S17999