BGS mineralogy and petrology collection record

Sample number S21294
Sample Donor Bailey, E.B.
Rock name 'Original entry: Grey Orthogneiss; Oligoclase, Microcline, Hornblende, Biotite, Quartz, Magnetite'
Stratigraphy Not entered
Comments Normal hornblende-biotite orthogneiss of Coll, just E of Clabach band of paragneiss; Memoir, p. 11
Locality details E coast of Clabhach Bay
50k map sheet Coll (51)

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View the geology near 'Coll'

Map reference NM 1811 5913
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


S21294

Cross Polarized, S21294

Plane Polarized, S21294

Plane Polarized, S21294