Borehole Number: |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -23.528454 , 20.748585 |
Location: Ukwi |
Location Description: UKWI |
Start Drill: 2006-01-20 |
End Drill: 2006-02-16 |
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: 3 M3/hr |
Static Water Level: 101.2 m |
Borehole Water Strike: 300 Metres |
End of Hole (Depth): 324 Metres |
Hole Diameter: 254 Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 4 | Brown,fine grained sand |
2. | 4 | 9 | Light brown fine grained sand |
3. | 9 | 13 | Brown fine grained sand |
4. | 13 | 20 | Light brown, fine grained sand |
5. | 20 | 23 | Cream silcrete |
6. | 23 | 32 | Cream fine grained sand |
7. | 32 | 37 | Dark brown fine grained sand |
8. | 37 | 52 | Pink fine grained sandstone |
9. | 52 | 63 | Yellow very weathered dolerite |
10. | 63 | 81 | Yellow slightly weathered dolorite |
11. | 81 | 150 | Dark grey dolerite |
12. | 150 | 167 | Dark grey dolerite |
13. | 167 | 170 | Grey fine grained sandstone |
14. | 170 | 173 | Grey fine grained sandstone |
15. | 173 | 180 | Grey very fine grained micaceous |
16. | 180 | 181 | Dark grey very fine micaceous sandstone |
17. | 181 | 183 | Grey very fine micaceous sandstone |
18. | 183 | 197 | Dark grey very fine grained grained micaceous sandstone |
19. | 197 | 199 | Dark grey very fine grained micaceous sandstone |
20. | 199 | 237 | Black carboneceous mudstone |
21. | 237 | 242 | Grey medium to coarse grained micaceous sandstone |
22. | 242 | 244 | Black coal |
23. | 244 | 261 | Black carbonaceous mudstone |
24. | 261 | 266 | Grey dolerite |
25. | 266 | 273 | Grey fine grained sandstone |
26. | 273 | 275 | Dark grey micaceous siltstone |
27. | 275 | 277 | Grey coarse grained sandstone |
28. | 277 | 281 | Grey fine to medium grained sandstone |
29. | 281 | 287 | Grey fine to coarse grained sandstone |
30. | 287 | 291 | Grey coarse grained sandstone |
31. | 291 | 294 | Grey fine grained sandstone |
32. | 294 | 299 | Black mudstone |
33. | 299 | 318 | Grey fine to medium grained micaceous sandstone |
34. | 318 | 324 | Grey dolerite |
© Botswana Geoscience Institute 2025 | www.bgi.org.bw | Disclaimer