BGS mineralogy and petrology collection record

Sample number E54286; COLLNOFU25;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Crystal tuff with fragments. Padarn Tuff.
Locality details 400 m. at 105 deg. from Cae Uchaf Farm.
50k map sheet Nefyn (118)

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Map reference SH 4871 5399
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


E54286

Cross Polarized, E54286

Plane Polarized, E54286

Plane Polarized, E54286