BGS mineralogy and petrology collection record

Sample number E54473; COLLNOFU41;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Feldspar tuff. Padarn Tuff
Locality details 420 m. at 153 deg. from Cae-Uchaf Fm.
50k map sheet Nefyn (118)

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Map reference SH 4850 5367
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


E54473

Cross Polarized, E54473

Plane Polarized, E54473

Plane Polarized, E54473