BGS mineralogy and petrology collection record

Sample number E349; E349/A;
Sample Donor Ward, J.C.
Rock name Felsite. 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Not entered
Locality details Llyn Padarn, Llanberis
50k map sheet Bangor (106)

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Map reference SH 57 61
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


E349

Cross Polarized, E349

Plane Polarized, E349

Plane Polarized, E349


E349/A

Cross Polarized, E349/A

Plane Polarized, E349/A

Plane Polarized, E349/A