BGS mineralogy and petrology collection record
| Sample number | LABNO3691; RC375/4; M6925/5; TS990; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Kimberlites. 'Original entry: Kimberlite' |
| Stratigraphy | Not entered |
| Comments | Brown kimberlite, the sample is described as explosive (disintergrating violently in water). |
| 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 |