BGS mineralogy and petrology collection record

Sample number E54234; COLLNOFU26;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Basic dyke with orientated feldspar phenocrysts. Intrusive into Padarn Tuff.
Locality details 510 m. at 103 deg from Cae Uchaf Farm.
50k map sheet Nefyn (118)

View images in GeoScenic related to 'Nefyn'

View the geology near 'Nefyn'

Map reference SH 4881 5393
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


E54234

Cross Polarized, E54234

Plane Polarized, E54234

Plane Polarized, E54234