BGS mineralogy and petrology collection record

Sample number S30109
Sample Donor Macgregor,A.G.
Rock name 'Original entry: ?Tholeiite'
Stratigraphy Not entered
Comments 30-ft ?tholeiite dyke, trend N-S
Locality details Stream 0.125 mile E 32 deg S of 2178 ft summit a' Chroit Bheinn
50k map sheet Arisaig (61)

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Map reference NM 8248 7628
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


S30109

Cross Polarized, S30109

Plane Polarized, S30109

Plane Polarized, S30109