BGS mineralogy and petrology collection record

Sample number S21707
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Cf. Tertiary'
Stratigraphy Not entered
Comments 6 ft NW dyke, cf. Tertiary
Locality details Coast in small inlet opposite N end of row of cottages called 'The Green'
50k map sheet Tiree (42)

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Map reference NL 9664 4843
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


S21707

Cross Polarized, S21707

Plane Polarized, S21707

Plane Polarized, S21707