BGS mineralogy and petrology collection record
| Sample number | E71023; COLLNOFSJ212; |
|---|---|
| Sample Donor | Davies, J.R.; Waters, C.N.; |
| Rock name | Sandstone (Undifferentiated). |
| Stratigraphy | Not entered |
| Comments | Sandstone, High in Yr Allt Formation |
| Locality details | Frestry track, 900 m NW of Cwmfadog |
| 50k map sheet | Builth (196) |
| Map reference | SN 09577 05564 |
| Year collected | 1996 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |