BGS mineralogy and petrology collection record
| Sample number | MR20940 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Slate. 'Original entry: Slate Of Narrow Vein' |
| Stratigraphy | Not entered |
| Comments | Slate of narrow vein,slate,Collected byT.N. George TN92 |
| Locality details | Cymerau Quarry, Aberllefenni, Merionethshire, |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 780 115 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |