BGS mineralogy and petrology collection record

Sample number S22363
Sample Donor Richey, James E.
Rock name 'Original entry: Tonalite; Quartz-Dolerite'
Stratigraphy Not entered
Comments Tonalitic portion of S. 22361: Memoir, p. 307
Locality details 1200 yds N 10 deg W of Achosnich
50k map sheet Coll (51)

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Map reference NM 4417 6840
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


S22363

Cross Polarized, S22363

Plane Polarized, S22363

Plane Polarized, S22363