BGS mineralogy and petrology collection record
| Sample number | E54450; COLLNOFU23; |
|---|---|
| Sample Donor | Fletcher, Chris J.N |
| Rock name | 'Original entry: Quartz Crystal Tuff' |
| Stratigraphy | Not entered |
| Comments | Quartz crystal tuff. Padarn Tuff. |
| Locality details | 250 m. at 262 deg. from Chapel at Cilgwyn. |
| 50k map sheet | Nefyn (118) |
| Map reference | SJ -507 5401 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |