| Borehole Number: |
| Prospecting Company: De Beers Prospecting Botswana (Pty) Ltd |
| Prospecting License No.: PL64/1999 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -21.23881 , 24.77638 |
| Location: Makgadikgadi |
| Start Drill: 2006-03-14 |
| End Drill: 2006-03-15 |
| Borehole Type: Exploration |
| Drilling Method: Percussion |
| Sample Type: Core |
| Depth of Surface Casing: N/A |
| Azimuth: 0 Degrees |
| Hole Inclination: N/A |
| Collar Elevation: N/A |
| Borehole Water Strike: N/A |
| End of Hole (Depth): 0.1651 Metres |
| Hole Diameter: 78 Millimetres |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 1 | Light brown, fine-grained, cohesive Sand. |
| 2. | 0 | 1 | Light brown, fine-grained, cohesive Sand. |
| 3. | 1 | 10 | Cream white, highly weathered calcrete mixed with clay-rich Sand. |
| 4. | 1 | 10 | Cream white, highly weathered calcrete mixed with clay-rich Sand. |
| 5. | 10 | 14 | Greyish green to greyish, calcretised Silcrete. |
| 6. | 10 | 14 | Greyish green to greyish, calcretised Silcrete. |
| 7. | 14 | 18 | Dark greyish to greenish, moderately weathered, igneous mafic rock, with calcite veining along fractures and shiny brownish yellow resin like material. |
| 8. | 14 | 18 | Dark greyish to greenish, moderately weathered, igneous mafic rock, with calcite veining along fractures and shiny brownish yellow resin like material. |
| 9. | 18 | 25 | Dark greyish to black, very fine-grained, fresh and competent igneous mafic rock, characterised by calcite veining. |
| 10. | 18 | 25 | Dark greyish to black, very fine-grained, fresh and competent igneous mafic rock, characterised by calcite veining. |
| 11. | 25 | 50 | Dark greyish to blackish, fresh and competent, fine-grained igneous mafic rock. |
| 12. | 25 | 50 | Dark greyish to blackish, fresh and competent, fine-grained igneous mafic rock. |
| 13. | 50 | 59 | Greyish brown, massive silty Mudstone. |
| 14. | 50 | 59 | Greyish brown, massive silty Mudstone. |
| 15. | 59 | 65 | Dark reddish brown, thinly laminated mudstone, sulphides (pyrite) is abundant |
| 16. | 59 | 65 | Dark reddish brown, thinly laminated mudstone, sulphides (pyrite) is abundant |
| 17. | 65 | 78 | Greyish brown, thinly laminated silty Mudstone. |
| 18. | 65 | 78 | Greyish brown, thinly laminated silty Mudstone. |
© Botswana Geoscience Institute 2025 | www.bgi.org.bw | Disclaimer