BGS mineralogy and petrology collection record

Sample number S21542
Sample Donor Richey, James E.
Rock name 'Original entry: Monzonite'
Stratigraphy Not entered
Comments ?Tonalite; Memoir, p. 340
Locality details 1300 yds E 5 deg S of Achnaha
50k map sheet Coll (51)

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Map reference NM 4731 6802
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


S21542

Cross Polarized, S21542

Plane Polarized, S21542

Plane Polarized, S21542