BGS mineralogy and petrology collection record

Sample number S50829; COLLNOYC1391;
Sample Donor Mykura,W.
Rock name 'Original entry: Coarse-Grained Arkose'
Stratigraphy Not entered
Comments Gritty sandstone with a large proportion of pink angular felsite grains
Locality details Shore of Whiodra Wick, 520 yds E 20 deg S of Freyars
50k map sheet Foula (125)

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Map reference HT 963 407
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


S50829

Cross Polarized, S50829

Plane Polarized, S50829

Plane Polarized, S50829