BGS mineralogy and petrology collection record

Sample number E54262; COLLNOFU56;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Brown sheared, quartz crystal rich tuff.
Locality details 940 m. at 047 deg. from Central Chapel, Talysarn.
50k map sheet Nefyn (118)

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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


E54262

Cross Polarized, E54262

Plane Polarized, E54262

Plane Polarized, E54262