BGS mineralogy and petrology collection record

Sample number S18917
Sample Donor Bailey, E.B.; Tait,D.;
Rock name 'Original entry: Albitised Porphyritic Augite Andesite'
Stratigraphy Not entered
Comments 2 ft below S. 18918 in same flow, matrix of compact lava type; Central Type; Memoir, p. 122
Locality details No. 17 lava; Creag nam Fitheach, S side of summit
50k map sheet Mull (44)

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Map reference NM 6669 2406
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


S18917

Cross Polarized, S18917

Plane Polarized, S18917

Plane Polarized, S18917