BGS mineralogy and petrology collection record
| Sample number | MR9834 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Metamudstone. 'Original entry: Slate, Striped Vein' |
| Stratigraphy | Not entered |
| Comments | Slate, Striped Vein,roofing slate,Collected byTN George TN35 |
| Locality details | Cilgwyn,Nantlle, |
| 50k map sheet | Nefyn (118) |
| Map reference | |
| Year collected | 1932 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |