Borehole Number: |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -21.944472 , 28.473806 |
Location: Bobonong |
Location Description: BOBONONG |
Start Drill: 2008-05-08 |
End Drill: 2008-05-18 |
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: 12.27 M3/hr |
Static Water Level: 9.4 m |
Borehole Water Strike: 345 Metres |
End of Hole (Depth): 400 Metres |
Hole Diameter: 203 Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 4 | Basalt, grey-brown, slightly weathered |
2. | 4 | 20 | Basalt, grey with marls |
3. | 20 | 34 | Basalt, dark grey with calcrete |
4. | 34 | 42 | Basalt, grey with marls |
5. | 42 | 43 | Basalt, grey mixed with sandstone |
6. | 43 | 47 | Basalt, grey with mahcs |
7. | 47 | 48 | Basalt, grey mixed with sandstone |
8. | 48 | 53 | Basalt, grey with mahcs |
9. | 53 | 54 | Basalt, grey-brown, weathered |
10. | 54 | 57 | Basalt, grey-brown, slightly weathered |
11. | 57 | 72 | Basalt, grey with mahcs & pyroxynes |
12. | 72 | 77 | Basalt, grey-brown with mahcs |
13. | 77 | 124 | Basalt, grey |
14. | 124 | 126 | Basalt, grey brown with minor sandstone |
15. | 126 | 140 | Basalt, dark-grey with pyroxynes |
16. | 140 | 344 | Basalt, grey-green to dark grey |
17. | 344 | 345 | Basalt, with sandstone |
18. | 345 | 368 | Sandstone, grey-white |
19. | 368 | 371 | Sandstone, grey-white medium with chips of dolerite |
20. | 371 | 400 | Sandstone, grey-white with specks of dolerite |
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