BGS mineralogy and petrology collection record
| Sample number | MR25328; COLLNO11; |
|---|---|
| Sample Donor | White,D.E. |
| Rock name | 'Original entry: Coarse Tuff' |
| Stratigraphy | Not entered |
| Comments | Upper Ashes of Arenig, Ordovician |
| Locality details | New road cutting, 760yds at 29deg from Ty'n-y-cerrig Farm near Bala |
| 50k map sheet | Corwen (120) |
| Map reference | SH 8818 4037 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |