| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL51/88 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -20.294679 , 24.43929 |
| Location: Senagom |
| Start Drill: 0000-00-00 |
| End Drill: 0000-00-00 |
| 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: Metres |
| End of Hole (Depth): N/A |
| Hole Diameter: Millimetres |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 1 | Residual Topsoil. |
| 2. | 1 | 20 | Inmature Sandy calcrete with gasteropoda remains. |
| 3. | 20 | 32 | With nodular calcrete green pan clay. |
| 4. | 32 | 40 | Buff quartz arenite , Sandy Silcrete. |
| 5. | 40 | 50 | Predominantly green siltstone, dark grey cryptocrystalline Silcrete (playa Silcrete). |
| 6. | 50 | 94 | Evaporite deposits gypsum and dolomite euhedra, playa Silcrete, Sandy Silcrete after calcrete. |
| 7. | 94 | 110 | Pebble horizon 1-5cm clasts. Evaporite deposits. |
| 8. | 110 | 156 | Green pan clay, dolomite euhedra with fragments of fine, calcretised quartz arenite. Green pan clay, porous quartz arenite, dolomite. |
| 9. | 156 | 218 | Green pan clay, dolomite concretions. Fine, neutral light green quartz arenite with authigenic pyrite and pedoclasts. Light green fine quartz arenite with authigenic pyrite and pedotubes. |
| 10. | 218 | 220 | Light green fine quartz arenite. |
| 11. | 220 | 227 | Samples missing. |
| 12. | 227 | 251 | Green - brown chloritized bslt. |
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