BGS mineralogy and petrology collection record

Sample number E54453; COLLNOFU81;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Quartz crystal tuff. Padarn Tuff
Locality details 795 m 47 deg from Central Chapel in Talysarn
50k map sheet Nefyn (118)

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Map reference SH 4946 5358
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


E54453

Cross Polarized, E54453

Plane Polarized, E54453

Plane Polarized, E54453