| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL78/88 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -22.944341 , 21.631488 |
| Location: Ghanzi |
| Start Drill: N/A |
| End Drill: N/A |
| Borehole Type: Exploration |
| Drilling Method: Core |
| Sample Type: Core |
| Depth of Surface Casing: N/A |
| Azimuth: Degrees |
| Hole Inclination: N/A |
| Collar Elevation: N/A |
| Borehole Water Strike: N/A |
| End of Hole (Depth): N/A |
| Hole Diameter: N/A |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 15 | Loose Kalahari Sands. |
| 2. | 15 | 40 | Intercalating calcrete, calcareous Sandstones. Dominantly red/orange/brown in colour, with occassional Silcrete horizons. |
| 3. | 40 | 60 | Transitional change to calcareous Sandstone with much coarse calcareous grits and Sandy calcrete. |
| 4. | 60 | 154 | Homogeneous coarse to medium grained calcareous Sandstone.Many colour variations. |
| 5. | 121 | 225 | Fresh dolerite. |
| 6. | 154 | 156 | Light grey/brown laminated siltstone. |
| 7. | 156 | 160 | Highly wthrd red/green dolerite. |
| 8. | 160 | 167 | Light brown/grey silty mudstone coarsening downwards to siltstone. |
| 9. | 167 | 168 | Highly wthrd dolerite. |
| 10. | 168 | 170 | Laminated siltstone. |
| 11. | 170 | 191 | Light brown laminated mudstones. |
| 12. | 191 | 197 | Alternating laminated siltstone with coarse gritty Sandstone. |
| 13. | 197 | 212 | Highly wthrd red/brown to dark grey fine grained dolerite. Becomes progressively less wthrd and coarser. |
© Botswana Geoscience Institute 2024 | www.bgi.org.bw | Disclaimer