BGS mineralogy and petrology collection record

Sample number S27740
Sample Donor Read, H.H.
Rock name 'Original entry: Muscovite-Chloritoid Phyllonite'
Stratigraphy Not entered
Comments Phyllite
Locality details Burn of Skaw, 0.33 mile above The Haa
50k map sheet Unst (131)

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Map reference HP 653 160
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


S27740

Cross Polarized, S27740

Plane Polarized, S27740

Plane Polarized, S27740