BGS mineralogy and petrology collection record

Sample number E54474; COLLNOFU45;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Quartz crystal tuff. Padarn Tuff
Locality details 465 m. at 171 deg. from Cae-Uchaf Fm.
50k map sheet Nefyn (118)

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Map reference SH 4844 5361
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


E54474

Cross Polarized, E54474

Plane Polarized, E54474

Plane Polarized, E54474