BGS mineralogy and petrology collection record

Sample number S8840
Sample Donor Harker, Alfred
Rock name 'Original entry: Porphyritic Dolerite'
Stratigraphy Not entered
Comments Sill: SHEET 80
Locality details NW of Meall na Gainmheach
50k map sheet Minginish (70)

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Map reference NG 437 366
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


S8840

Cross Polarized, S8840

Plane Polarized, S8840

Plane Polarized, S8840