BGS mineralogy and petrology collection record

Sample number S28490
Sample Donor Macgregor,A.G.
Rock name Not entered
Stratigraphy Not entered
Comments 25-30 ft E-W xenolithic dyke
Locality details 1000 yds E 2 deg S of Loch na Beirness
50k map sheet Tobermory (52)

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Map reference NM 6655 7553
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


S28490

Cross Polarized, S28490

Plane Polarized, S28490

Plane Polarized, S28490