BGS mineralogy and petrology collection record
| Sample number | MR4903 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: [Columnar Jointing In Baked Coal Measures Shale]' |
| Stratigraphy | Not entered |
| Comments | Pres. By R.N.Griffith |
| Locality details | Freiddyn, Flintshire |
| 50k map sheet | Flint (108) |
| Map reference | SJ 252 581 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |