BGS mineralogy and petrology collection record
| Sample number | E54247; E54247/A; E54247/B; COLLNOFU39; |
|---|---|
| Sample Donor | Fletcher, Chris J.N |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Vitric, crystal free, green tuff with quartz veins. Padarn tuff. |
| Locality details | 780 m. at 71 deg from Penygroes School. |
| 50k map sheet | Nefyn (118) |
| Map reference | SH 4825 5338 |
| 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
E54247/A
E54247/B
