BGS mineralogy and petrology collection record

Sample number E54241; COLLNOFU33;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Pale grey green, crystal poor tuff. Padarn Tuff.
Locality details 610 m. at 059 deg from Penygroes School.
50k map sheet Nefyn (118)

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Map reference SH 4803 5344
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


E54241

Cross Polarized, E54241

Plane Polarized, E54241

Plane Polarized, E54241