BGS mineralogy and petrology collection record

Sample number S16622
Sample Donor Richey, James E.
Rock name 'Original entry: Augite Granophyre (?Felsite)'
Stratigraphy Not entered
Comments NW dyke, 4 ft, dippping 60 deg to SW, cut by granite vein; Memoir, p. 374
Locality details 1560 yds E of spot ht 1848 ft An Gearna
50k map sheet Mull (44)

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Map reference NM 5279 3452
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


S16622

Cross Polarized, S16622

Plane Polarized, S16622

Plane Polarized, S16622