BGS mineralogy and petrology collection record
| Sample number | E60997; COLLNOBRM86; |
|---|---|
| Sample Donor | Merriman,R.J. |
| Rock name | 'Original entry: Mudstone Slate' |
| Stratigraphy | Not entered |
| Comments | Pencilled Mudstone, Caradoc |
| Locality details | 1240 m at 007 deg from Portmadoc Railway Station |
| 50k map sheet | Snowdon (119) |
| Map reference | SH 567 404 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |