BGS mineralogy and petrology collection record

Sample number S9814
Sample Donor Barrow, G.
Rock name 'Original entry: Muscovite-Biotite Schist'
Stratigraphy Not entered
Comments Similar to S.9813, with tourmaline in addition
Locality details Taken of the ice-worn knobs N of Loinvey Farm: nose of the hill
50k map sheet Balmoral (65)

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Map reference NO 317 936
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


S9814

Cross Polarized, S9814

Plane Polarized, S9814

Plane Polarized, S9814