BGS mineralogy and petrology collection record
| Sample number | MR30557; COLLNORC929; |
|---|---|
| Sample Donor | Cave,R. |
| Rock name | 'Original entry: Sandstone' |
| Stratigraphy | Not entered |
| Comments | Massive fine grained Ordivician |
| Locality details | 930yds. ESE of Allt-ddu, Llyfnant Velley |
| 50k map sheet | Aberystwyth (163) |
| Map reference | SN 7231 9717 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |