BGS mineralogy and petrology collection record

Sample number S21474
Sample Donor Richey, James E.
Rock name 'Original entry: Granophyre'
Stratigraphy Not entered
Comments Central acid intrusion, near edge; Memoir, p. 340
Locality details 1400 yds E 30 deg N of Achnaha
50k map sheet Coll (51)

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Map reference NM 4737 6889
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


S21474

Cross Polarized, S21474

Plane Polarized, S21474

Plane Polarized, S21474