BGS mineralogy and petrology collection record

Sample number S37818
Sample Donor Phemister,J.
Rock name 'Original entry: Riebeckite Felsite, Quartz-Feldspar-Phyric'
Stratigraphy Not entered
Comments Riebeckite felsite, quartz-feldspar-phyric. See Min Mag 1950, Vol XXIX, p. 364
Locality details Beorgs of Uyea; 1680 ft 5 deg S of W of larger island in Mill Loch
50k map sheet Yell (130)

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Map reference HU 327 901
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


S37818

Cross Polarized, S37818

Plane Polarized, S37818

Plane Polarized, S37818