BGS mineralogy and petrology collection record

Sample number E54249; COLLNOFU42;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Sheared quartz, feldspar crystal tuff.
Locality details 440 m. at 152 deg from Cae Uchaf Farm.
50k map sheet Nefyn (118)

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Map reference SH 4853 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


E54249

Cross Polarized, E54249

Plane Polarized, E54249

Plane Polarized, E54249