BGS mineralogy and petrology collection record

Sample number S21173
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Phonolitic Trachyte'
Stratigraphy Not entered
Comments Not entered
Locality details Interior part of Traprain Law Quarry
50k map sheet Haddington (33)

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Map reference NT 583 749
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


S21173

Cross Polarized, S21173

Plane Polarized, S21173

Plane Polarized, S21173