BGS mineralogy and petrology collection record

Sample number S4525; S4525/a;
Sample Donor UNKNOWN
Rock name 'Original entry: Phonolitic Trachyte'
Stratigraphy Not entered
Comments Phonolitic trachyte; duplicate of S. 996
Locality details Traprain Law, 4 miles east of Haddington
50k map sheet Haddington (33)

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Map reference NT 5834 7493
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


S4525

Cross Polarized, S4525

Plane Polarized, S4525

Plane Polarized, S4525


S4525/a

Cross Polarized, S4525/a

Plane Polarized, S4525/a

Plane Polarized, S4525/a