BGS mineralogy and petrology collection record
| Sample number | MR21125; COLLNOJ393; |
|---|---|
| Sample Donor | Jones,T.G. |
| Rock name | 'Original entry: Slate' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Clogau Quarry [Berwyn Quarry], Horseshoe Pass, N of Llangollen |
| 50k map sheet | Wrexham (121) |
| Map reference | SJ 185 463 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |