BGS mineralogy and petrology collection record

Sample number E11082; COLLNO668;
Sample Donor Ramsey,Professor
Rock name Trachyte; Trachytic-Rock;. 'Original entry: Quartz Albite Trachyte Or Keratophyre'
Stratigraphy Not entered
Comments Not entered
Locality details Gellycadawgan Qry. Llanelwed. Builth Wells
50k map sheet Builth (196)

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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, E11082

Plane Polarized, E11082

Plane Polarized, E11082