BGS mineralogy and petrology collection record

Sample number S30629
Sample Donor Allan,J.K.
Rock name 'Original entry: Muscovite-Biotite-Oligoclase Gneiss'
Stratigraphy Not entered
Comments Muscovite-biotite-oligoclase gneiss. Garnet in hand specimen: ?some injection of quartz
Locality details The Camb, 600 yds SE from Loch of Windhouse
50k map sheet Yell (130)

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Map reference HU 499 935
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


S30629

Cross Polarized, S30629

Plane Polarized, S30629

Plane Polarized, S30629