| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL107/96 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -21.307646 , 25.1743 |
| Location: Orapa |
| Start Drill: 2005-03-14 |
| End Drill: 2005-03-15 |
| Borehole Type: Exploration |
| Drilling Method: Percussion & Core |
| Sample Type: Core & Chips |
| Depth of Surface Casing: N/A |
| Azimuth: Degrees |
| Hole Inclination: -90 Degrees |
| Collar Elevation: 951 Metres |
| Borehole Water Strike: 71 Metres |
| End of Hole (Depth): 173 Metres |
| Hole Diameter: 165 Millimetres |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 1 | Dark brown Sanddy top Topsoil. |
| 2. | 1 | 6 | Very light grey creamish calcretised Silcrete ( coarse fragment observed). |
| 3. | 6 | 11 | Medium brown fresh Silcrete plus few calcrete. |
| 4. | 11 | 12 | Red brown weathered basalt. |
| 5. | 12 | 16 | Yellow brownish moderate competent calcite rich basalt. |
| 6. | 16 | 21 | Dark grey brownish pyroclastic materials (basalt, Silcrete and mudstone pieces observed). |
| 7. | 21 | 23 | Dark red brown calcite and amygdals rich fresh basalt. |
| 8. | 23 | 27 | Pink dark brownish mixtured basalt, Silcrete and calcite. |
| 9. | 27 | 29 | Dark brown weathered medium competent basalt comprising calcite. |
| 10. | 29 | 31 | Medium brown yellowish weathered basalt. |
| 11. | 31 | 32 | Dark red brown fresh basalt. |
| 12. | 32 | 34 | Dark brownish yellow fresh amygdaloidale basalt. |
| 13. | 34 | 38 | Dark red brown fresh competent basalt mixed of abundant Silcrete. |
| 14. | 38 | 44 | Dark medium brown fresh competent basalt mixed of abundant Silcrete. |
| 15. | 44 | 53 | Dark grey blueish pyroclastic materials mostly consist of basalt and Silcrete. |
| 16. | 53 | 55 | Dark green olive moderate competent basalt. |
| 17. | 55 | 63 | Dark grey blueish moderate competent pyroclastic materials (basalt and Silcrete contain). |
| 18. | 63 | 65 | Dark brown moderate competent fresh basalt. |
| 19. | 65 | 70 | Dark greenish yellow moderate competent fresh basalt. |
| 20. | 70 | 71 | Medium brownish yellow pyroclastic materials layer. |
| 21. | 71 | 80 | Dark grey greenish pyroclastic materials highly competent, mainly consist of basalt and silstone |
| 22. | 80 | 81 | Dark green greyish fresh basalt. |
| 23. | 81 | 96 | Dark green greyish fresh pyroclastic materials comprising siltstone and basalt plus few quartz. |
| 24. | 96 | 102 | Mixture of dark grey basalt with greenish blue siltstone highly competent and fresh. |
| 25. | 102 | 113 | Dark grey greenish fresh competent basalt. |
| 26. | 113 | 114 | Siltstone mixed of greyish fresh basalt. |
| 27. | 114 | 118 | Dark greyish brown fine grained fresh basalt. |
| 28. | 118 | 120 | Light grey brownish fresh competent Sandstone. |
| 29. | 120 | 121 | Dark red brown fresh competent mudstone. |
| 30. | 121 | 122 | Dark brown fresh competent basalt. |
| 31. | 122 | 127 | Dark grey greenish fresh basalt. |
| 32. | 127 | 133 | Dark grey brown siltstone mixed of fresh basalt. |
| 33. | 133 | 137 | Dark grey blueish fresh competent basalt. |
| 34. | 137 | 144 | Medium brown fresh mudstone. |
| 35. | 144 | 145 | Light grey olive fresh mudstone. |
| 36. | 145 | 150 | Dark brown to olive fresh mudstone. |
| 37. | 150 | 153 | Dark brown fresh competent mudstone. |
| 38. | 153 | 156 | Dark brown fresh competent mudstone. |
| 39. | 156 | 170 | Dark brown greyish mudstone fresh and competent. |
| 40. | 170 | 173 | Dark brown mudstone (fresh competent). |
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