| Borehole Number: |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -19.59917 , 21.17333 |
| Location: Qangwa |
| Location Description: QANGWA |
| Start Drill: 2005-10-11 |
| End Drill: 2005-10-19 |
| 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: 0.48 M3/hr |
| Static Water Level: 10.98 m |
| Borehole Water Strike: 31 Metres |
| End of Hole (Depth): 70 Metres |
| Hole Diameter: 254 Millimetres |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 1 | top soil with minor calcrete |
| 2. | 1 | 12 | calcrete |
| 3. | 12 | 29 | weathered, yellowish calcrete |
| 4. | 29 | 34 | weathered calcrete, yellowish, with Quartz |
| 5. | 34 | 44 | Dark grey to light granite gneiss/ rock with pink minerals and biotite, medium grained |
| 6. | 44 | 64 | fractured + weathered granitic gneiss, Dark grey |
| 7. | 64 | 70 | fractured and highly weathered, grey, granitic gneiss, medium grained |
© Botswana Geoscience Institute 2025 | www.bgi.org.bw | Disclaimer