BGS mineralogy and petrology collection record

Sample number S44514; COLLNODH1821;
Sample Donor Haldane,D.; Phemister,J.;
Rock name 'Original entry: Recrystallised Porphyrite'
Stratigraphy Not entered
Comments Recrystallised porphyrite
Locality details Olna Firth, N shore, 520 yds SE of Mangaster Burn
50k map sheet Central Shetland (128)

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Map reference HU 391 650
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


S44514

Cross Polarized, S44514

Plane Polarized, S44514

Plane Polarized, S44514