BGS mineralogy and petrology collection record

Sample number S21832
Sample Donor Richey, James E.
Rock name 'Original entry: Porphyritic Basalt'
Stratigraphy Not entered
Comments NNE dyke cut by S. 21833; Memoir, pp. 349, 352
Locality details 400 yds SW of Maol Buidhe
50k map sheet Coll (51)

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Map reference NM 4614 6228
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


S21832

Cross Polarized, S21832

Plane Polarized, S21832

Plane Polarized, S21832