BGS mineralogy and petrology collection record

Sample number E17461; COLLNORB1522;
Sample Donor Road Board
Rock name Trachytic-Rock. 'Original entry: Keratophyre'
Stratigraphy Not entered
Comments Not entered
Locality details Llanwrtyd Qry. Llanwrtyd
50k map sheet Builth (196)

View images in GeoScenic related to 'Builth'

View a geological map near 'Builth'

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, E17461

Plane Polarized, E17461

Plane Polarized, E17461