BGS mineralogy and petrology collection record

Sample number S16644
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Bearing Fine-Grained Granular Dolerite'
Stratigraphy Not entered
Comments Inclined sheet, 30 ft, complex
Locality details 800 yds WNW of spot ht 1939 ft Beinn a' Ghraig
50k map sheet Mull (44)

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Map reference NM 5332 3763
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


S16644

Cross Polarized, S16644

Plane Polarized, S16644

Plane Polarized, S16644