BGS mineralogy and petrology collection record
| Sample number | MR9202 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Chert. 'Original entry: Chert' |
| Stratigraphy | Tournaisian. Culm Supergroup. |
| Comments | Chert,Lower Culm,Carboniferous,Collected byTC Hall TCH684 |
| Locality details | Barracadoes Quarry,St Stephen, Launceston, |
| 50k map sheet | Tavistock (337) |
| Map reference | |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |