| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL001/97 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -21.268752 , 25.595104 |
| Location: Orapa |
| Start Drill: 2005-04-20 |
| End Drill: 2005-04-20 |
| 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: 966 Metres |
| Borehole Water Strike: 57 Metres |
| End of Hole (Depth): 59 Metres |
| Hole Diameter: 165 Millimetres |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 3 | Cream white weathered calcrete with about 5% Silcrete. |
| 2. | 3 | 5 | Brown weathered Basalt mixed calcrete and Silcrete. |
| 3. | 5 | 10 | Greenish brown weathered Basalt. |
| 4. | 10 | 11 | Reddish brown weaathered Basalt. |
| 5. | 11 | 12 | Dark brown weathered Basalt. |
| 6. | 12 | 13 | Greenish grey fresh and competent Basalt mixed with about 40% brown weathered Basalt. |
| 7. | 13 | 14 | Greenish grey fresh and competent Basalt. |
| 8. | 14 | 16 | Greenish grey fresh and competent Basalt with about 10% amygdales. |
| 9. | 16 | 22 | Greenish brown fresh and competent Basalt. |
| 10. | 22 | 23 | Brownish green fresh and competent Basalt |
| 11. | 23 | 24 | Greenish brown fresh and competent Basalt. |
| 12. | 24 | 27 | Brownish green fresh and competent Basalt with some reddish brown ferricretised Basalt. |
| 13. | 27 | 31 | Brownish green fresh and competent Basalt. |
| 14. | 31 | 34 | Greenish grey fresh and competent Basalt. |
| 15. | 34 | 35 | Green fresh and competent Basalt with about 30% ferricretised Basalt. |
| 16. | 35 | 38 | Brownish green fresh and comptent Basalt. |
| 17. | 38 | 40 | Dark brown fresh and competent Basalt mixed with about 20% green Basalt. |
| 18. | 40 | 41 | Dark brown weathered Basalt. |
| 19. | 41 | 42 | Light brown weathered and unconsolidated Sandstone with about 20% weathered brown Basalt. |
| 20. | 42 | 44 | Pink fine grained weathered and unconsolidated Sandstone |
| 21. | 44 | 46 | Light orange fine grained weathered and unconsolidated Sandstone. |
| 22. | 46 | 53 | Light brown fine grained weathered and unconsolidated Sandstone. |
| 23. | 53 | 59 | Yellowish brown fine grained weathered and unconsolidated. |
© Botswana Geoscience Institute 2024 | www.bgi.org.bw | Disclaimer