BGS mineralogy and petrology collection record
| Sample number | E19540A; COLLNORB1699; |
|---|---|
| Sample Donor | Road Board |
| Rock name | Wacke. 'Original entry: Greywacke' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Bryn Rhug Quarry, Crynant, Dylais Higher. |
| 50k map sheet | Merthyr Tydfil (231) |
| Map reference | |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |