BGS mineralogy and petrology collection record
| Sample number | MR42336; COLLNORC1743; |
|---|---|
| Sample Donor | Cave,R. |
| Rock name | 'Original entry: Nodular Phosphate Bed' |
| Stratigraphy | Not entered |
| Comments | 2m above the base of the Nod Glas Formation |
| Locality details | Gwern-y-Brain stream, ENE of Trawscoed-hen Farm, Guilsfield, Welshpool |
| 50k map sheet | Welshpool (151) |
| Map reference | SJ 2180 1268 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |