BGS mineralogy and petrology collection record

Sample number S33568
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Feldspar-Phyric Trachyte'
Stratigraphy Not entered
Comments ?Sill, feldspar-phyric trachyte; Lower Carboniferous
Locality details Foreshore, about 250 yds W 20 deg S of Marine Villa, Weaklaw
50k map sheet North Berwick (41)

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Map reference NT 5011 8593
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


S33568

Cross Polarized, S33568

Plane Polarized, S33568

Plane Polarized, S33568