BGS mineralogy and petrology collection record

Sample number S16256
Sample Donor Richey, James E.
Rock name 'Original entry: Ophitic Dolerite'
Stratigraphy Not entered
Comments NW dyke, 5 ft thick, cut by S. 16257
Locality details 1000 yds N 46 deg E of Torr a' Bhlair
50k map sheet Mull (44)

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Map reference NM 5194 3777
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


S16256

Cross Polarized, S16256

Plane Polarized, S16256

Plane Polarized, S16256