BGS mineralogy and petrology collection record

Sample number S14825
Sample Donor Tait,D.
Rock name 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Loch Ba Ring-dyke; Memoir, pp.20, 347 & Fig. 59B; Summ Prog 1912, p. 68
Locality details Top of deep gorge, 0.75 mile a little N of E of summit of Beinn a' Ghraig
50k map sheet Mull (44)

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Map reference NM 5551 3738
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


S14825

Cross Polarized, S14825

Plane Polarized, S14825

Plane Polarized, S14825