| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL51/88 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -20.68951 , 24.124343 |
| Location: Matlapana |
| 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 | 3 | Upper kalahari - mixed aeolian and lacustrine Sands. |
| 2. | 3 | 32 | Lake sediments - tuffaceous and nodular calcrete with pedotubes intercalated in part with hardpan calcrete, playa Silcrete and Silcrete gravels. |
| 3. | 32 | 38 | Lake sediments - predominantly hardpan calcrete. |
| 4. | 38 | 44 | Lake sediments - predominantly Silcrete (playa). |
| 5. | 44 | 46 | Lake sediments - massive grey Silcrete breccia. |
| 6. | 46 | 61 | Lake sediments - Silcreted alluvium, with playa Silcrete and minor amounts of diatomite. |
| 7. | 61 | 65 | Lake sediments - green pan clay, with hardpan and and Silcreted Sands. |
| 8. | 65 | 75 | Lake sediments - Silcrete, with pan clay and dolomite concretions, chalcedony concretions, nodular calcrete and pedotubes. |
| 9. | 75 | 105 | Lake sediments - poor sample recovery - pressure pan clay. |
| 10. | 105 | 151 | Lake sediments - quartz with concreted Sands (hosting pedotubes). Horizons of tuffaceous calcrete in parts. Intercalated with hardpan calcrete and playa Silcrete at depth. |
| 11. | 151 | 153 | Karoo bslt - wthrd profile. |
| 12. | 153 | 167 | Karoo bslt - fresh bslt. |
© Botswana Geoscience Institute 2024 | www.bgi.org.bw | Disclaimer