BGS mineralogy and petrology collection record
| Sample number | MR5413 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Felsite (Altered Rhyolite)' |
| Stratigraphy | Not entered |
| Comments | ?/89 |
| Locality details | Carreg lwyd, Llanfechell, Anglesey |
| 50k map sheet | Holyhead (93) |
| Map reference | SH 36 91 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |