BGS mineralogy and petrology collection record

Sample number S14817
Sample Donor Tait,D.
Rock name 'Original entry: Micro-Ophitic Dolerite'
Stratigraphy Not entered
Comments Lava, contact altered, resulting in developemnt of biotite; Memoir, pp. 129, 152
Locality details Beinn Bheag, 0.375 mile SW of Knock, between Loch Ba and Loch na Keal
50k map sheet Mull (44)

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Map reference NM 540 388
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


S14817

Cross Polarized, S14817

Plane Polarized, S14817

Plane Polarized, S14817