BGS mineralogy and petrology collection record
| Sample number | E39478; COLLNOBL223; |
|---|---|
| Sample Donor | Leveridge,B.E. |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | 109 ft above base of Section. Snowdon Rhyolite Tuffs; Tuff units forming prominent crags on the N and S sides of Lledr Valley at Dolwyddelan; |
| Locality details | 730 yds N of Dolwyddelan Railway Station |
| 50k map sheet | Snowdon (119) |
| 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
E39478
