BGS mineralogy and petrology collection record

Sample number E54258; COLLNOFU52;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Light green, sheared, fine grained tuff.
Locality details 820 m. at 028 deg. from Central Chapel, Talysarn.
50k map sheet Nefyn (118)

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Map reference SH 4929 5375
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


E54258

Cross Polarized, E54258

Plane Polarized, E54258

Plane Polarized, E54258