BGS mineralogy and petrology collection record
| Sample number | MR21137; COLLNOJ534; |
|---|---|
| Sample Donor | Jones,T.G. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Llandeilian |
| Locality details | New road tunnel, Penmaen-bach, 2ml. W of Conway |
| 50k map sheet | Llandudno (94) |
| Map reference | SH 747 784 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |