BGS mineralogy and petrology collection record

Sample number S16489
Sample Donor Clough, C.T.
Rock name 'Original entry: Contact Altered Basic Lava (Basalt Or Andesite)'
Stratigraphy Not entered
Comments Probably lava; sp. gr. 3.01, some biotite
Locality details 2330 ft slightly W of N of bridge on Allt Teanga Brideag
50k map sheet Mull (44)

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Map reference NM 5621 3134
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


S16489

Cross Polarized, S16489

Plane Polarized, S16489

Plane Polarized, S16489