BGS mineralogy and petrology collection record
| Sample number | E72021 |
|---|---|
| Sample Donor | Merriman,R.J. |
| Rock name | Metadolostone. |
| Stratigraphy | Ashgill. |
| Comments | dark grey mudstone with spaced cleavage. Merriman sample BRM1844. |
| Locality details | forestry track 8.3 km SW of Llanwrtyd Wells |
| 50k map sheet | Builth (196) |
| Map reference | SN 8152 3783 |
| Year collected | 1995 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |