BGS mineralogy and petrology collection record

Sample number E39715; COLLNOMH397;
Sample Donor Howells,M.F.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Foliation? in tuff
Locality details Rolwyd
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View the geology near 'Snowdon'

Map reference SH 7639 5068
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


E39715

Cross Polarized, E39715

Plane Polarized, E39715

Plane Polarized, E39715