BGS mineralogy and petrology collection record

Sample number S23550
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments 18 ft N 50 deg W dolerite dyke
Locality details 1230 yds E 5 deg S from S end of lochan W of Meall Tom a' Ghanntair
50k map sheet Tobermory (52)

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Map reference NM 6674 6233
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


S23550

Cross Polarized, S23550

Plane Polarized, S23550

Plane Polarized, S23550