BGS mineralogy and petrology collection record

Sample number S21355; S21355/A;
Sample Donor Simpson,J.B.
Rock name 'Original entry: Biotite-Quartz Granulite'
Stratigraphy Not entered
Comments Quartz granulite, Memoir, pp. 14, 18
Locality details 120 yds S 10 deg W of Gorton farmhouse
50k map sheet Coll (51)

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Map reference NM 1769 5339
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


S21355

Cross Polarized, S21355

Plane Polarized, S21355

Plane Polarized, S21355


S21355/A

Cross Polarized, S21355/A

Plane Polarized, S21355/A

Plane Polarized, S21355/A