BGS mineralogy and petrology collection record

Sample number E54433; COLLNOFU5;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Feldspathic Padarn Tuff
Locality details 340 m 184 deg from Cahapel at Carwiel
50k map sheet Nefyn (118)

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Map reference SH 4931 5463
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


E54433

Cross Polarized, E54433

Plane Polarized, E54433

Plane Polarized, E54433