BGS mineralogy and petrology collection record

Sample number E54458; COLLNOFU86;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Lithic tuff, layered. Padarn Tuff
Locality details 401 m 258 deg from Central Chapel in Talysarn
50k map sheet Nefyn (118)

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Map reference SH 4848 5296
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


E54458

Cross Polarized, E54458

Plane Polarized, E54458

Plane Polarized, E54458