BGS mineralogy and petrology collection record
| Sample number | MR843 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Qtz-Feldspathic Tuff' |
| Stratigraphy | Not entered |
| Comments | Bala. Andesitic. 387/42, B/196. |
| Locality details | Yspytty Evan, Caernarvonshire |
| 50k map sheet | Corwen (120) |
| Map reference | SH 84 48 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |