BGS mineralogy and petrology collection record

Sample number S30635
Sample Donor Allan,J.K.
Rock name 'Original entry: Muscovite-Biotite-Quartz-Feldspar Schist'
Stratigraphy Not entered
Comments Muscovite-biotite-quartz-feldspar schist. Decomposed
Locality details Basta Voe, 430 yds NW from Beyan
50k map sheet Yell (130)

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Map reference HU 518 978
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


S30635

Cross Polarized, S30635

Plane Polarized, S30635

Plane Polarized, S30635