BGS mineralogy and petrology collection record

Sample number S12336
Sample Donor Bailey, E.B.
Rock name 'Original entry: Feldspathic (Albitoe-Oligoclase) Porphyrite'
Stratigraphy Not entered
Comments A most unusual felsic type of NNE acid porphyrite; Memoir, pp. 174-175
Locality details 0.5 mile up lowest tributary of Allt Coire Mhorair
50k map sheet Ben Nevis (53)

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Map reference NN 1886 6079
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


S12336

Cross Polarized, S12336

Plane Polarized, S12336

Plane Polarized, S12336