BGS mineralogy and petrology collection record
| Sample number | MR12284; COLLNO132; |
|---|---|
| Sample Donor | Hughes, H.O. |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Green. Skerries Group, Mona Complex |
| Locality details | Llanddwyn Island, SW of Newborough, W cliff at N end of island, W of Gwddw Llanddwyn |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 3898 6337 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |