| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL111/93 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: N/A |
| Location: Dukwi |
| 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 | 10 | Cream sandy silcrete. |
| 2. | 10 | 15 | Cream-buff, fissile sandy silcrete. |
| 3. | 15 | 20 | Cream sandy silcrete. |
| 4. | 20 | 25 | Sandy silcrete, coarse white arkose. |
| 5. | 25 | 30 | Pink-brown, poorly sorted, lithic wacke-arkose. |
| 6. | 30 | 35 | Pink-brown, poorly sorted arkose. |
| 7. | 35 | 40 | Pink-purple arkose, some sub-rounded quartz granules. |
| 8. | 40 | 45 | White-purple, coarse arkose-mature quartz-angular ferricrete fragments. |
| 9. | 45 | 50 | Much ferricrete, poorly sorted, light brown arkose. |
| 10. | 50 | 55 | Many rounded quartz granules, light brown-grey siltstone, arkose, ferricrete. |
| 11. | 55 | 60 | Quartz granules, brown mica-rich, medium-grained arkose. |
| 12. | 60 | 65 | Predominantly quartz granules, white quartz-arkose-conglomerate. |
| 13. | 65 | 70 | Light brown arkose, purple micaceous ferricrete. |
| 14. | 70 | 75 | Light brown arkose, purple ferricrete. |
| 15. | 75 | 80 | Rounded quartz granules, cream arkose, ferricrete. |
| 16. | 80 | 85 | Rounded quartz granules-pebbles, lithic arkose. |
| 17. | 85 | 90 | Predominantly quartz granules. |
| 18. | 90 | 95 | Brown sideritic silts, ferricrete, grey siltstone. |
| 19. | 95 | 100 | Predominantly grey siltstone. |
| 20. | 100 | 105 | dark grey chilled intrusive. |
| 21. | 105 | 110 | Melanocratic, mica-pyroxene intrusive. |
| 22. | 110 | 0 | E.O.H. |
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