BGS mineralogy and petrology collection record

Sample number S16598
Sample Donor Tait,D.
Rock name 'Original entry: Basic Tholeiite With Porphyritic Bytownite'
Stratigraphy Not entered
Comments Xenolith from sill, with hypersthene, anorthite, green spinel; Memoir, pp. 268, 273; QJGS, Vol. 78, 1922, Plate VI, Fig. 5
Locality details Nuns' Pass & Rubh' a' Chromain
50k map sheet Mull (44)

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Map reference NM 522 203
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


S16598

Cross Polarized, S16598

Plane Polarized, S16598

Plane Polarized, S16598