BGS mineralogy and petrology collection record

Sample number S21572
Sample Donor Richey, James E.
Rock name 'Original entry: Olivine-Dolerite'
Stratigraphy Not entered
Comments Porphyritic basalt, inclined sheet; Memoir, p. 182
Locality details 800 yds N 10 deg W of summit of Beinn na Seilg
50k map sheet Coll (51)

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Map reference NM 4564 6491
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


S21572

Cross Polarized, S21572

Plane Polarized, S21572

Plane Polarized, S21572