| Borehole Number: |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -23.191667 , 20.424722 |
| Location: Ncojane |
| Location Description: NCOJANE |
| Start Drill: 2007-01-27 |
| End Drill: 2007-03-25 |
| Borehole Type: Groundwater |
| Drilling Method: Percussion |
| Drilling Rig(s): N/A |
| Sample Type: Water |
| Depth of Surface Casing: N/A |
| Hole Inclination: N/A |
| Estimated Yield: 72.3 M3/hr |
| Static Water Level: 106.4 m |
| Borehole Water Strike: 198 Metres |
| End of Hole (Depth): 257 Metres |
| Hole Diameter: 305 Millimetres |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 3 | Fine grained sand |
| 2. | 3 | 4 | Fine grained sand loose |
| 3. | 4 | 9 | Calcrete |
| 4. | 9 | 17 | Red silcrete |
| 5. | 17 | 29 | Pink very fine sand |
| 6. | 29 | 40 | White fine grained sand |
| 7. | 40 | 46 | Pink very fine sand |
| 8. | 46 | 53 | Light brown very fine sandstone |
| 9. | 53 | 67 | White very fine sandstone |
| 10. | 67 | 72 | Pink fine sandstone |
| 11. | 72 | 98 | Brown very fine sandstone |
| 12. | 98 | 110 | Pink silty mudstone |
| 13. | 110 | 126 | Grey mudstone |
| 14. | 126 | 165 | Dolerite |
| 15. | 165 | 185 | Black mudstone |
| 16. | 185 | 192 | Black coal |
| 17. | 192 | 197 | Dolerite |
| 18. | 197 | 200 | Dolerite coarse grained sandstone |
| 19. | 200 | 206 | Brown mudstone |
| 20. | 206 | 210 | Brown silty sandstone |
| 21. | 210 | 219 | White coarse sandstone |
| 22. | 219 | 237 | Light coarse sandstone |
© Botswana Geoscience Institute 2025 | www.bgi.org.bw | Disclaimer