BGS mineralogy and petrology collection record

Sample number S21471
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Monzonite'
Stratigraphy Not entered
Comments Central acid intrusion, near edge; Memoir, p. 341
Locality details 1050 yds E by N of Achnaha
50k map sheet Coll (51)

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Map reference NM 4703 6826
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


S21471

Cross Polarized, S21471

Plane Polarized, S21471

Plane Polarized, S21471