BGS mineralogy and petrology collection record

Sample number E54261; COLLNOFU55;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Slate Tuff'
Stratigraphy Not entered
Comments Green slaty rock, possible fine grained tuff.
Locality details 940 m. at 047 deg. from Central Chapel, Talysarn.
50k map sheet Nefyn (118)

View images in GeoScenic related to 'Nefyn'

View the geology near 'Nefyn'

Map reference SH 4957 5367
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


E54261

Cross Polarized, E54261

Plane Polarized, E54261

Plane Polarized, E54261