BGS mineralogy and petrology collection record

Sample number S21536
Sample Donor Richey, James E.
Rock name 'Original entry: Granophyre'
Stratigraphy Not entered
Comments Granophyre portion of composite ring dyke cuts quartz-dolerite portion;Memoir, p. 328
Locality details 2000 yds ESE of Achnaha
50k map sheet Coll (51)

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Map reference NM 4795 6753
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


S21536

Cross Polarized, S21536

Plane Polarized, S21536

Plane Polarized, S21536