BGS mineralogy and petrology collection record
| Sample number | MR7951; COLLNO411; |
|---|---|
| Sample Donor | Jones,T.G. |
| Rock name | 'Original entry: Black Limestone, Carboniferous' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Tynant Ravine, Eglwyseg Rocks, Llangollen, Denbighshire |
| 50k map sheet | Wrexham (121) |
| Map reference | SJ 222 453 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |