BGS mineralogy and petrology collection record

Sample number E10565; COLLNO777;
Sample Donor Greenly,E.
Rock name Trachytic-Rock. 'Original entry: Keratophyre'
Stratigraphy Not entered
Comments Not entered
Locality details Llanfair-is-Gaer Church, Menai Straits.
50k map sheet Caernarfon (105)

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Map reference
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


Cross Polarized, E10565

Plane Polarized, E10565

Plane Polarized, E10565