BGS mineralogy and petrology collection record

Sample number S22259
Sample Donor Richey, James E.
Rock name 'Original entry: Tonalite'
Stratigraphy Not entered
Comments Tonalite about 47 yards further away; Memoir, pp. 340, 347
Locality details 0.75 mile E 30 deg N of Achnaha
50k map sheet Coll (51)

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View the geology near 'Coll'

Map reference NM 4731 6897
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


S22259

Cross Polarized, S22259

Plane Polarized, S22259

Plane Polarized, S22259