BGS mineralogy and petrology collection record

Sample number S18867
Sample Donor Bailey, E.B.; Tait,D.;
Rock name 'Original entry: Albitised Mugearitic Basalt'
Stratigraphy Not entered
Comments S. 18850-18869 are a suite of 20 lava-like pebbles from Lower ORS conglomerate underlying the shale with Cephalaspis, Thelodus, etc. Curious pseudomorphs after olivine
Locality details On shore at Gallanach Lodge, 2.5 miles SW of Oban
50k map sheet Mull (44)

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Map reference NM 8259 2700
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


S18867

Cross Polarized, S18867

Plane Polarized, S18867

Plane Polarized, S18867