BGS mineralogy and petrology collection record

Sample number S29258
Sample Donor Allan,J.K.
Rock name 'Original entry: Siliceous Biotite-Quartz-Feldspar Granulite'
Stratigraphy Not entered
Comments Siliceous biotite-quartz-feldspar granulite. Massive grey muscovite-biotite gneiss, small garnets
Locality details Burn of Dalsetter 350 yds W from Dalsetter House
50k map sheet Yell (130)

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Map reference HU 505 990
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


S29258

Cross Polarized, S29258

Plane Polarized, S29258

Plane Polarized, S29258