BGS mineralogy and petrology collection record

Sample number S44620; COLLNODH1825;
Sample Donor Haldane,D.; Phemister,J.;
Rock name 'Original entry: Recrystallised Porphyrite'
Stratigraphy Not entered
Comments Recrystallised porphyrite decussate hornblende
Locality details Olna Firth, N shore, E of Mangaster Burn
50k map sheet Central Shetland (128)

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Map reference HU 390 651
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


S44620

Cross Polarized, S44620

Plane Polarized, S44620

Plane Polarized, S44620