BGS mineralogy and petrology collection record

Sample number S35459
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Quartzite'
Stratigraphy Not entered
Comments Basal Cambrian Quartzite; same locality as S.35456, near top of low cliffs
Locality details Eilean Dubh, about 1300 yds NE of Portnancon, west side of Loch Eriboll
50k map sheet Tongue (114)

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Map reference NC 436 611
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


S35459

Cross Polarized, S35459

Plane Polarized, S35459

Plane Polarized, S35459