BGS mineralogy and petrology collection record

Sample number E54447; COLLNOFU20;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Sandstone'
Stratigraphy Not entered
Comments Coarse grained Sst. Tryfan Gp.
Locality details 335 m 9 deg from Chapel in Cilgwyn
50k map sheet Nefyn (118)

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Map reference SH 4981 5462
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


E54447

Cross Polarized, E54447

Plane Polarized, E54447

Plane Polarized, E54447