BGS mineralogy and petrology collection record

Sample number S30638
Sample Donor Allan,J.K.
Rock name 'Original entry: Biotite-Oligoclase-Quartz Granulite'
Stratigraphy Not entered
Comments Biotite-oligoclase-quartz granulite. Semipelitic
Locality details N Loch of Lumbister, SE corner at head of stream
50k map sheet Yell (130)

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Map reference HU 483 975
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


S30638

Cross Polarized, S30638

Plane Polarized, S30638

Plane Polarized, S30638