BGS mineralogy and petrology collection record
| Sample number | LABNO3690; RC375/3; M6925/5; TS929; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Kimberlites. 'Original entry: Kimberlite' |
| Stratigraphy | Not entered |
| Comments | Green kimberlite. |
| Locality details | 1,200 ft level,Williamsons (Mwadui) Mine |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |