Borehole Number: |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -23.9715 , 23.94781 |
Location: Dutlwe |
Location Description: DUTLWE |
Start Drill: 2003-11-27 |
End Drill: 2003-12-01 |
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: 15.77 M3/hr |
Static Water Level: 100.20 m |
Borehole Water Strike: 172 Metres |
End of Hole (Depth): 250 Metres |
Hole Diameter: 164 Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 1 | Orange fine grained sand |
2. | 1 | 6 | Beige, fine grained sand |
3. | 6 | 17 | Buff calcrete |
4. | 17 | 31 | Pink mudstone |
5. | 31 | 58 | Beige mudstone |
6. | 58 | 75 | Pink mudstone |
7. | 75 | 158 | Grey shaly mudstone |
8. | 158 | 163 | Dark grey shale |
9. | 163 | 176 | Grey, fine grained fractured sandstone |
10. | 176 | 188 | Coal, fractured |
11. | 188 | 199 | Greyish white, coarse grained sandstone |
12. | 199 | 215 | Coal |
13. | 215 | 226 | White coarse to very coarse grained sandstone |
14. | 226 | 229 | Coal |
15. | 229 | 241 | greyish white coarse grained sandstone |
16. | 241 | 247 | White fine grained sandstone intercalated by grey shale |
17. | 247 | 250 | White fine grained sandstone with black mudstone intercalations |
© Botswana Geoscience Institute 2025 | www.bgi.org.bw | Disclaimer