BGS mineralogy and petrology collection record

Sample number S18472
Sample Donor Tait,D.
Rock name 'Original entry: Basalt / Augite Andesite?'
Stratigraphy Not entered
Comments Pillow lava, variolitic, Porphyritic Central Type / Cruach Choradail Pillow-lava Type; Memoir, pp. 24, 149; Summ Prog 1915, pp. 26-27
Locality details 0.25 mile slightly E of S of summit of Cruach Choireadail
50k map sheet Mull (44)

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Map reference NM 5960 3011
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


S18472

Cross Polarized, S18472

Plane Polarized, S18472

Plane Polarized, S18472