BGS mineralogy and petrology collection record

Sample number E54452; COLLNOFU80;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Conglomerate tuff. Padarn Tuff
Locality details 750 m 41 deg from Central Chapel in Talysarn
50k map sheet Nefyn (118)

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Map reference SH 4938 5360
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


E54452

Cross Polarized, E54452

Plane Polarized, E54452

Plane Polarized, E54452