BGS mineralogy and petrology collection record

Sample number S33567
Sample Donor Macgregor,A.G.
Rock name 'Original entry: ?Trachyte Or Mugearite Fragment From Tuff Or Agglomerate'
Stratigraphy Not entered
Comments ?Trachyte or mugearite fragment from tuff or agglomerate; 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


S33567

Cross Polarized, S33567

Plane Polarized, S33567

Plane Polarized, S33567