BGS mineralogy and petrology collection record

Sample number S28447
Sample Donor Macgregor,A.G.
Rock name Not entered
Stratigraphy Not entered
Comments Lens of intrusive rock in porphyroblast gneiss, 850 yds from Strontian Granite
Locality details 600 yds W 5 deg N of spot ht 1426 ft Druim Glas
50k map sheet Tobermory (52)

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Map reference NM 8441 6637
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


S28447

Cross Polarized, S28447

Plane Polarized, S28447

Plane Polarized, S28447