BGS mineralogy and petrology collection record

Sample number S24421
Sample Donor Richey, James E.
Rock name 'Original entry: Dolerite Margin'
Stratigraphy Not entered
Comments Dolerite margin
Locality details 1150 yds S 15 deg E of Achnaha
50k map sheet Coll (51)

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Map reference NM 4653 6718
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


S24421

Cross Polarized, S24421

Plane Polarized, S24421

Plane Polarized, S24421