BGS mineralogy and petrology collection record

Sample number S18483
Sample Donor Tait,D.
Rock name 'Original entry: Xenolith From Upper Basic Part Of Sill'
Stratigraphy Not entered
Comments Sapphire-bearing sill; Memoir, p. 273; beautiful sillimanite buchite; some small cordierite crystals
Locality details Rubh' a' Chromain, N side of promontory
50k map sheet Mull (44)

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Map reference NM 5237 2031
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


S18483

Cross Polarized, S18483

Plane Polarized, S18483

Plane Polarized, S18483