BGS mineralogy and petrology collection record

Sample number S30631
Sample Donor Allan,J.K.
Rock name 'Original entry: Biotite-Oligoclase-Quartz Granulite'
Stratigraphy Not entered
Comments Biotite-oligoclase-quartz granulite. Coarse: with garnet
Locality details Whale Firth shore 500 yds S of Burn of Vollister
50k map sheet Yell (130)

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Map reference HU 479 933
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


S30631

Cross Polarized, S30631

Plane Polarized, S30631

Plane Polarized, S30631