BGS mineralogy and petrology collection record

Sample number S16517
Sample Donor Clough, C.T.
Rock name 'Original entry: Variolitic Andesite'
Stratigraphy Not entered
Comments Must be an acid intrusion (EBB); sp. gr. 2.96
Locality details 150 ft E of junction of paths, NW of Torr na h-Uamha
50k map sheet Mull (44)

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Map reference NM 5544 3318
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

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Transition from XPL to PPL light


S16517

Cross Polarized, S16517

Plane Polarized, S16517

Plane Polarized, S16517