| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL78/88 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -22.63408 , 21.419433 |
| Location: Ghanzi |
| Start Drill: 0000-00-00 |
| End Drill: 0000-00-00 |
| Borehole Type: Exploration |
| Drilling Method: Core |
| Sample Type: Core |
| Depth of Surface Casing: N/A |
| Azimuth: Degrees |
| Hole Inclination: N/A |
| Collar Elevation: N/A |
| Borehole Water Strike: Metres |
| End of Hole (Depth): N/A |
| Hole Diameter: Millimetres |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 71 | Kalahari beds. Sandy Silcrete, cream-green altered kimberlite>50%. |
| 2. | 71 | 74 | > 50% Silcreted epiclastic kimberlite, cream-green altered kimberlite, Karoo siltstone xenoliths 10%, unidentified melanocratic xenoliths: hypabyssal kimberlite? Basalt? Basement? |
| 3. | 74 | 75 | As above. Melanocratic rock looks like HK with segragationary texture. |
| 4. | 75 | 76 | 20% HK, Sandy Silcrete, altered kimberlite, Karoo siltstone. |
| 5. | 76 | 77 | Melanocratic xenoliths >22%, altered kimberlite, epiclastic Sandstone. |
| 6. | 77 | 78 | Epiclastic Sandstone and xenoliths. |
| 7. | 78 | 79 | Possibly altered primary kimberlite 50%, epiclastic Sandstone, xenoliths. |
| 8. | 79 | 80 | Predominantly epiclastic Sandstone. |
| 9. | 80 | 81 | Consolidated crater facies, Karoo siltstone and Sandstone xenoliths, melanocratic xenoliths, possibly altered primary kimberlite. |
| 10. | 81 | 82 | Predominantly epiclastic Sandstone, altered primary kimberlite fragments, xenoliths. |
| 11. | 82 | 84 | Epiclastic Sandstone, altered primary kimberlite, Karoo xenoliths, xenolith of mica (phlogopite) rich hypabyssal kimberlite. |
| 12. | 84 | 86 | Epiclastic Sandstone altered primary kimberlite, Karoo xenoliths. |
| 13. | 86 | 88 | Clay rich horizon, epiclastics. |
| 14. | 88 | 89 | Xenolith or wall rock of micaceous Karoo arkose (Mea arkose?). |
| 15. | 89 | 90 | Karoo micaceous arkose. |
| 16. | 90 | 91 | Predominantly Karoo, cream white micaceous Sandstone. |
| 17. | 91 | 92 | Predominantly Karoo, possibility of epiclastic kimberlite (down the hole contamination). |
| 18. | 92 | 93 | Epiclastic kimberlite, Karoo white Sandstone. |
| 19. | 93 | 94 | Micaceous cream, Karoo arkose. |
| 20. | 94 | 97 | Coarser, but still white Karoo Sandstone (less well sorted). |
| 21. | 97 | 98 | White micaceous arkose, kimberlite fragments and basalt xenolith (DTH contamination?). |
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