BGS mineralogy and petrology collection record

Sample number S51515; COLLNOYC1548;
Sample Donor Mykura,W.
Rock name 'Original entry: Hornfelsed Fine-Grained Sandstone'
Stratigraphy Not entered
Comments Sediment, fine-grained, intensely indurated
Locality details Keolkifield, 500 yds N 8 deg E from Broch of Culswick
50k map sheet Foula (125)

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Map reference HU 255 452
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


S51515

Cross Polarized, S51515

Plane Polarized, S51515

Plane Polarized, S51515