BGS mineralogy and petrology collection record

Sample number S21463
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Dolerite'
Stratigraphy Not entered
Comments Intrusive porphyritic ?andesite 3 ft from vertical junction with agglomerate; Memoir, pp. 151-152
Locality details 760 yds SSE of summit of Ben Hiant
50k map sheet Tobermory (52)

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Map reference NM 5406 6253
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


S21463

Cross Polarized, S21463

Plane Polarized, S21463

Plane Polarized, S21463