BGS mineralogy and petrology collection record

Sample number S30364
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments 6 ft NE dolerite dyke (very few run in this direction); cuts granodiorite and WNW camptonite dykes (e.g. S. 30365)
Locality details In burn 1250 yds E 40 deg S of spot ht 2136 ft, Beinn na Cille
50k map sheet Tobermory (52)

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Map reference NM 8627 5342
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


S30364

Cross Polarized, S30364

Plane Polarized, S30364

Plane Polarized, S30364