BGS mineralogy and petrology collection record

Sample number S17170
Sample Donor Thomas,H.H.; Wilson, J.S.G.;
Rock name 'Original entry: Tholeiite'
Stratigraphy Not entered
Comments Composite xenolithic sill (S. 17170-17178), allied to leidleite (Talaidh type): basic marginal portion; Memoir, pp. 17, 273, 285-286; Summ Prog 1914, pp. 56-57
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


S17170

Cross Polarized, S17170

Plane Polarized, S17170

Plane Polarized, S17170