BGS mineralogy and petrology collection record

Sample number E54268; COLLNOFU62;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Purple tuff with quartz crystals and lithic fragments.
Locality details 620 m. at 084 deg. from Central Chapel, Talysarn.
50k map sheet Nefyn (118)

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Map reference SH 4826 5298
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


E54268

Cross Polarized, E54268

Plane Polarized, E54268

Plane Polarized, E54268