BGS mineralogy and petrology collection record

Sample number S16267
Sample Donor Richey, James E.
Rock name 'Original entry: Microporphyritic Granular Dolerite'
Stratigraphy Not entered
Comments NW dyke, 3 ft thick
Locality details 1320 yds S 24 deg W of Eilean Feoir
50k map sheet Mull (44)

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Map reference NM 5255 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


S16267

Cross Polarized, S16267

Plane Polarized, S16267

Plane Polarized, S16267