BGS mineralogy and petrology collection record

Sample number S29795
Sample Donor Richey, James E.
Rock name 'Original entry: Feldspathic Variety Of Quartz-Dolerite (Syenitic)'
Stratigraphy Not entered
Comments Feldspathic patches in 25 ft quartz-dolerite dyke
Locality details Shore 400 yds S of headland S of entrance to Loch a' Choire
50k map sheet Tobermory (52)

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Map reference NM 8559 5126
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


S29795

Cross Polarized, S29795

Plane Polarized, S29795

Plane Polarized, S29795