BGS mineralogy and petrology collection record

Sample number S16266
Sample Donor Richey, James E.
Rock name 'Original entry: Porphyritic Feldspar Basalt'
Stratigraphy Not entered
Comments NW dyke, 1.5 ft thick
Locality details 1330 yds S 24 deg W of Eilean Feoir
50k map sheet Mull (44)

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Map reference NM 5254 3785
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


S16266

Cross Polarized, S16266

Plane Polarized, S16266

Plane Polarized, S16266