BGS mineralogy and petrology collection record

Sample number S23286
Sample Donor Richey, James E.
Rock name 'Original entry: Grey Orthogneiss; Biotite'
Stratigraphy Not entered
Comments Grey orthogneiss SW of Hogh Bay paragneisses; Memoir, p. 11
Locality details Forehore 0.5 mile + 495 yds W 35 deg n of Totronald, Coll
50k map sheet Coll (51)

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Map reference NM 1573 5694
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


S23286

Cross Polarized, S23286

Plane Polarized, S23286

Plane Polarized, S23286