BGS mineralogy and petrology collection record
| Sample number | MR19851 |
|---|---|
| Sample Donor | Edmunds,F.H. |
| Rock name | 'Original entry: Chalk' |
| Stratigraphy | Not entered |
| Comments | Upper Cretaceous |
| Locality details | Knockmills, 12 km. S of Dartford |
| 50k map sheet | Dartford (271) |
| Map reference | TQ 573 612 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |