BGS mineralogy and petrology collection record
| Sample number | E62826; COLLNOWP379/1; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Tuffite (Laminated); top of Craig y Llan Form. |
| Locality details | Stream; 400 m SE of Gesail (Bird Rock) |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 6447 0614 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |