BGS mineralogy and petrology collection record
| Sample number | MR828 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Coarse Tuff' |
| Stratigraphy | Not entered |
| Comments | Bala. 390/42, B/199 |
| Locality details | Castell, Cader Dinmael, Merionethshire |
| 50k map sheet | Corwen (120) |
| Map reference | SH 986 458 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |