BGS mineralogy and petrology collection record
| Sample number | E70218; COLLNOBRM1786; |
|---|---|
| Sample Donor | Merriman,R.J. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Grey, laminated silty slate. Llandowery |
| Locality details | Forestry Track. 30.5 Km NW of Abergwesyn |
| 50k map sheet | Builth (196) |
| Map reference | SN 8241 5410 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |