BGS mineralogy and petrology collection record

Sample number S13405; S13405/a;
Sample Donor Bailey, E.B.
Rock name 'Original entry: Porphyrite (Secondary Green Biotite And Hornblende)'
Stratigraphy Not entered
Comments Older fault porphyrite & flinty crush; Memoir, p. 210
Locality details Stob Eoin Mhic Mhartuin
50k map sheet Ben Nevis (53)

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Map reference NN 207 575
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


S13405

Cross Polarized, S13405

Plane Polarized, S13405

Plane Polarized, S13405


S13405/a

Cross Polarized, S13405/a

Plane Polarized, S13405/a

Plane Polarized, S13405/a