BGS mineralogy and petrology collection record

Sample number S17177
Sample Donor Thomas,H.H.; Wilson, J.S.G.;
Rock name 'Original entry: Xenolith Consisting Largely Of Anorthite Full Of Sillimanite Needles'
Stratigraphy Not entered
Comments Composite xenolithic sill (S. 17170-17178): anorthite-sillimanite xenolith in basic portion; Memoir, pp. 273, 276-277; QJGS, Vol. 78, 1922, Plate IX, Fig. 1
Locality details Rudh' a' Chromain, W of Carsaig
50k map sheet Mull (44)

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Map reference NM 5238 2024
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


S17177

Cross Polarized, S17177

Plane Polarized, S17177

Plane Polarized, S17177