BGS mineralogy and petrology collection record

Sample number S21930
Sample Donor Ross, George
Rock name 'Original entry: Quartz-Feldspar Granulite'
Stratigraphy Not entered
Comments In cliff near roadside
Locality details 30 yds S of school, 40 yds SW of BM 191 on Oykell Bridge
50k map sheet Lairg (102)

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Map reference NC 37108 01084
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


S21930

Cross Polarized, S21930

Plane Polarized, S21930

Plane Polarized, S21930