BGS mineralogy and petrology collection record

Sample number E54471; COLLNOFU99;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Quartz crystal tuff. Padarn Tuff.
Locality details 39.9 m. at 130 deg. from the summit of Cilgwyn
50k map sheet Nefyn (118)

View images in GeoScenic related to 'Nefyn'

View the geology near 'Nefyn'

Map reference SH 4846 5366
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


E54471

Cross Polarized, E54471

Plane Polarized, E54471

Plane Polarized, E54471