BGS mineralogy and petrology collection record

Sample number S4519; S4519/a;
Sample Donor UNKNOWN
Rock name 'Original entry: Sanidine Trachyte / Porphyritc Trachyte'
Stratigraphy Not entered
Comments Sanidine trachyte /porphyritic trachyte; duplicate of S. 615
Locality details Pepper Craig Quarry, Garleton Hills
50k map sheet Haddington (33)

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Map reference NT 508 745
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


S4519

Cross Polarized, S4519

Plane Polarized, S4519

Plane Polarized, S4519


S4519/a

Cross Polarized, S4519/a

Plane Polarized, S4519/a

Plane Polarized, S4519/a