BGS mineralogy and petrology collection record

Sample number E39472; COLLNOBL217;
Sample Donor Leveridge,B.E.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Section of Snowdon Rhyolite Tuffs; Tuff units forming prominent crags on the N and S sides of Lledr Valley at Dolwyddelan; 6 ft above Base of Section
Locality details 730 yds N of Dolwyddelan Railway Station
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View the geology near 'Snowdon'

Map reference SH 7381 5284
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


E39472

Cross Polarized, E39472

Plane Polarized, E39472

Plane Polarized, E39472