BGS mineralogy and petrology collection record

Sample number E54455; COLLNOFU83;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Feldspar tuff. Padarn Tuff
Locality details 970 m 266 deg from Central Chapel in Talysarn
50k map sheet Nefyn (118)

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Map reference SH 4790 5300
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


E54455

Cross Polarized, E54455

Plane Polarized, E54455

Plane Polarized, E54455