BGS mineralogy and petrology collection record

Sample number E10122; COLLNO334;
Sample Donor Greenly,E.
Rock name 'Original entry: Porphyritic'
Stratigraphy Not entered
Comments Not entered
Locality details Llanddwyn Is. 275ft. WSW.of Little Tower
50k map sheet Caernarfon (105)

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Map reference SH 386 624
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


E10122

Cross Polarized, E10122

Plane Polarized, E10122

Plane Polarized, E10122