BGS mineralogy and petrology collection record

Sample number S41845
Sample Donor Phemister,J.
Rock name 'Original entry: Zoisite, Tourmaline, Muscovite, Garnet, Ore'
Stratigraphy Not entered
Comments Zoisite, tourmaline, muscovite, garnet, ore . Heavy minerals from fraction of china clay which had been washed free of clay and silt by settling for 30 seconds in water, the settled fraction sieved to pass 160 mesh and separated in bromoform
Locality details Burn of Tactigill, 550 yds up from road bridge
50k map sheet Central Shetland (128)

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Map reference HU 372 514
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


S41845

Cross Polarized, S41845

Plane Polarized, S41845

Plane Polarized, S41845