BGS mineralogy and petrology collection record

Sample number S18915
Sample Donor Bailey, E.B.; Tait,D.;
Rock name 'Original entry: Somewhat Decomposed Micro-Ophitic Dolerite'
Stratigraphy Not entered
Comments Local fluxion structure; augite deephly coloured (plum); Plateau type; Memoir, p. 122. Are S. 18915 and 18916 the same flow?
Locality details No. 15 Lava; within 2 inches of junction with gabbro dyke; just S of summit of Creag nan Fitheach
50k map sheet Mull (44)

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Map reference NM 6669 2402
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


S18915

Cross Polarized, S18915

Plane Polarized, S18915

Plane Polarized, S18915