BGS mineralogy and petrology collection record

Sample number S16693
Sample Donor Wilson, J.S.G.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments E-W composite dyke, outer portion
Locality details 500 ft below where the track from Rossal crosses the Allt a' Mhaim
50k map sheet Mull (44)

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Map reference NM 5501 2726
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


S16693

Cross Polarized, S16693

Plane Polarized, S16693

Plane Polarized, S16693