BGS mineralogy and petrology collection record

Sample number S16252
Sample Donor Richey, James E.
Rock name 'Original entry: Ophitic Dolerite'
Stratigraphy Not entered
Comments NW dyke, 6 ft thick; Memoir, p. 372
Locality details 410 yds N 15 deg E of Torr a' Bhlair
50k map sheet Mull (44)

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Map reference NM 5131 3758
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


S16252

Cross Polarized, S16252

Plane Polarized, S16252

Plane Polarized, S16252