| Borehole Number: |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -21.42897 , 25.61894 |
| Location: Letlhakane |
| Location Description: LETLHAKANE |
| Start Drill: 2004-11-29 |
| End Drill: 2004-12-11 |
| 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: 89.5 M3/hr |
| Static Water Level: 27.9 m |
| Borehole Water Strike: 110 Metres |
| End of Hole (Depth): 221 Metres |
| Hole Diameter: 381 Millimetres |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 5 | Kalahari sands and calcrete overbuden, cream white |
| 2. | 5 | 16 | Calcrete with highly weathered basalt |
| 3. | 16 | 36 | Weathered basalt, purple |
| 4. | 36 | 108 | Basalt, moderately weathered to fresh, with presence of calcrete (stormberg) |
| 5. | 108 | 110 | Transition zone from basalt to Ntane sandstone |
| 6. | 110 | 113 | Sandstone, pinkish brown with occurence of reed silstone, fine grained |
| 7. | 113 | 131 | Sandstone, pinkish to light brown with occassional occurence of red siltstsone and sandstone fine to very fine grained |
| 8. | 131 | 142 | Sandstone, light brown to orange-brown, fine grained |
| 9. | 142 | 210 | Sandstone, colour changes from brown reddish-brown to light brown- and to orange-brown, fine to very fine grained |
| 10. | 210 | 221 | Sandstone, and siltstones of Mosolotsane formation, brick-red, very fine grained |
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