BGS mineralogy and petrology collection record

Sample number S33939
Sample Donor Macgregor,A.G.
Rock name Not entered
Stratigraphy Not entered
Comments Blue, rather fine-grained, cf. ZB, ? Flow 4, 5, or upper part of 3
Locality details River Tweed, left bank, 500 yards W 35 deg S of Makerstoun House
50k map sheet Kelso (25)

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Map reference NT 668 314
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


S33939

Cross Polarized, S33939

Plane Polarized, S33939

Plane Polarized, S33939