BGS mineralogy and petrology collection record

Sample number E54240; COLLNOFU32;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Lithic tuff with segregations, one containing a nodule.
Locality details 600 m. at 136 deg from Cae Uchaf Farm.
50k map sheet Nefyn (118)

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Map reference SH 4875 5365
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


E54240

Cross Polarized, E54240

Plane Polarized, E54240

Plane Polarized, E54240