BGS mineralogy and petrology collection record

Sample number S21388
Sample Donor Simpson,J.B.
Rock name 'Original entry: K Feldspar-Quartz Granulite; Perthite, Biotite, Garnet'
Stratigraphy Not entered
Comments Typical of its kind; calc. biotite granite series; Memoir, pp. 16
Locality details On shore of Crossapol Bay beside burial ground at Crossapol Farm
50k map sheet Coll (51)

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Map reference NM 1280 5304
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


S21388

Cross Polarized, S21388

Plane Polarized, S21388

Plane Polarized, S21388