BGS mineralogy and petrology collection record
| Sample number | MR2257 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Chert. 'Original entry: Black Chert' |
| Stratigraphy | Carboniferous. |
| Comments | Black chert,Lower Carboniferous, |
| Locality details | Cow's Hill (?Coltshill) Qy., Oystermouth, |
| 50k map sheet | Swansea (247) |
| Map reference | SS 611 883 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |