BGS mineralogy and petrology collection record

Sample number S30350
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Biotite Quartz-Diorite'
Stratigraphy Not entered
Comments Biotite granite that is injected into schists and cuts enclosures, like S. 30036
Locality details Coire a' Chuil Mhaim 810 yds N 18 deg E of spot ht 2571 Fuar Bheinn
50k map sheet Tobermory (52)

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Map reference NM 8648 5470
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


S30350

Cross Polarized, S30350

Plane Polarized, S30350

Plane Polarized, S30350