BGS mineralogy and petrology collection record

Sample number S21539
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Monzonite'
Stratigraphy Not entered
Comments ?Tonalite or monzonite; Memoir, p. 340
Locality details 1500 yds ENE of Achnaha
50k map sheet Coll (51)

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Map reference NM 4755 6876
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


S21539

Cross Polarized, S21539

Plane Polarized, S21539

Plane Polarized, S21539