BGS mineralogy and petrology collection record

Sample number E12437; COLLNO992;
Sample Donor Road Board
Rock name Trachytic-Rock. 'Original entry: Quartz Keratophyre'
Stratigraphy Not entered
Comments Not entered
Locality details Gellifellen Qry. Llanwrtyd.
50k map sheet Builth (196)

View images in GeoScenic related to 'Builth'

View the geology 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, E12437

Plane Polarized, E12437

Plane Polarized, E12437