BGS mineralogy and petrology collection record

Sample number S20704
Sample Donor Anderson, E.M.
Rock name 'Original entry: Schistose Diopside-Plagioclase-Sphene Rock'
Stratigraphy Not entered
Comments Band of graphitic biotite granulite associated with S. 20693: like a sediment, containing diopside, plagioclase and sphene
Locality details 750 ft NE of Dun Cul Bhuirg
50k map sheet Iona (43)

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View the geology near 'Iona'

Map reference NM 2694 2518
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


S20704

Cross Polarized, S20704

Plane Polarized, S20704

Plane Polarized, S20704