BGS mineralogy and petrology collection record

Sample number S21352; S21352/A;
Sample Donor Simpson,J.B.
Rock name 'Original entry: Grey Orthogneiss, Hornblende Predominant Over Biotite; Plagioclase Near Andesine'
Stratigraphy Not entered
Comments Igneous gneiss, E margin of paragneiss; Memoir, p.11
Locality details 150 yds S 10 deg W of Gorton farmhouse
50k map sheet Coll (51)

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Map reference NM 1772 5338
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


S21352

Cross Polarized, S21352

Plane Polarized, S21352

Plane Polarized, S21352


S21352/A

Cross Polarized, S21352/A

Plane Polarized, S21352/A

Plane Polarized, S21352/A