BGS mineralogy and petrology collection record
| Sample number | E54461; COLLNOFU89; |
|---|---|
| Sample Donor | Fletcher, Chris J.N |
| Rock name | Tuff. 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Sheared feldspar tuff. Padarn Tuff. |
| Locality details | 20 m. at 090 deg. from summit of Caerengan. |
| 50k map sheet | Nefyn (118) |
| Map reference | SJ -522 5261 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |