BGS mineralogy and petrology collection record

Sample number S14637
Sample Donor Lightfoot, B.
Rock name 'Original entry: Tholeiite'
Stratigraphy Not entered
Comments Sill with pitchstone, Brunton type; Memoir, p. 285
Locality details Stream W of Tom a' Choilich, 20 yds N of 500 ft contour
50k map sheet Mull (44)

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Map reference NM 5087 2506
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


S14637

Cross Polarized, S14637

Plane Polarized, S14637

Plane Polarized, S14637