BGS mineralogy and petrology collection record

Sample number E54449; COLLNOFU22;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Vitric tuff. Padarn Tuff
Locality details 470 m 290 deg from Chapel in Cilgwyn
50k map sheet Nefyn (118)

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Map reference SH 4902 5419
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


E54449

Cross Polarized, E54449

Plane Polarized, E54449

Plane Polarized, E54449