BGS mineralogy and petrology collection record

Sample number S21231
Sample Donor Simpson,J.B.
Rock name 'Original entry: ?Quartz-Dolerite'
Stratigraphy Not entered
Comments An elliptical-shaped small intrusion 200 yds by 150 yds. A 'volcanic plug'
Locality details 400 yds N 10 deg E of point where Glenmore River turns sharp south
50k map sheet Tobermory (52)

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Map reference NM 5893 6508
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


S21231

Cross Polarized, S21231

Plane Polarized, S21231

Plane Polarized, S21231