BGS mineralogy and petrology collection record

Sample number S22674; S22674/A;
Sample Donor Richey, James E.
Rock name 'Original entry: Gabbro, Contact Between Pyroxene-Rich And Olivine-Rich Varieties'
Stratigraphy Not entered
Comments Contact of two varieties in outer gabbro, augitic vaiety and variety richer in olivine; Memoir, p. 218
Locality details 1000 yds WSW of summit of Beinn na Seilg
50k map sheet Coll (51)

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Map reference NM 4484 6391
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


S22674

Cross Polarized, S22674

Plane Polarized, S22674

Plane Polarized, S22674


S22674/A

Cross Polarized, S22674/A

Plane Polarized, S22674/A

Plane Polarized, S22674/A