BGS mineralogy and petrology collection record

Sample number S16490
Sample Donor Clough, C.T.
Rock name 'Original entry: Contact Altered Basic Lava (Mugearite?)'
Stratigraphy Not entered
Comments Probably lava; sp. gr. 2.82, some biotite, baked
Locality details 2550 ft SSW of summit of Corra-bheinn
50k map sheet Mull (44)

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Map reference NM 5707 3144
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


S16490

Cross Polarized, S16490

Plane Polarized, S16490

Plane Polarized, S16490