BGS mineralogy and petrology collection record
| Sample number | MR826 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Sheared Fine Shale' |
| Stratigraphy | Not entered |
| Comments | Bala. 372/41, B/178 |
| Locality details | Nr. 12th milestone, Pass of Llanberis, Caernarvonshire |
| 50k map sheet | Snowdon (119) |
| Map reference | SH 635 561 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |