BGS mineralogy and petrology collection record

Sample number S10814
Sample Donor Barrow, G.
Rock name 'Original entry: Porphyritic Trachyte'
Stratigraphy Not entered
Comments Plagioclase xenocrysts
Locality details Nose of hill in blown sand, end of Eldbottle - 2 miles W of North Berwick
50k map sheet North Berwick (41)

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Map reference NT 5016 8574
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


S10814

Cross Polarized, S10814

Plane Polarized, S10814

Plane Polarized, S10814