BGS mineralogy and petrology collection record
| Sample number | E62829; COLLNOWP126; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Dolerite |
| Locality details | 440 m NNE of Tonfanau beacon |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 5763 0379 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |