BGS mineralogy and petrology collection record

Sample number S22689
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Gabbro'
Stratigraphy Not entered
Comments Quartz-gabbro near to S. 22688; memoir, p. 318
Locality details 200 yds E 35 deg S of summit of Meall nanTarmachain
50k map sheet Tobermory (52)

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Map reference NM 4956 6636
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


S22689

Cross Polarized, S22689

Plane Polarized, S22689

Plane Polarized, S22689