| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL107/96 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -21.474468 , 24.569426 |
| Location: Orapa |
| Start Drill: 2004-08-20 |
| End Drill: 2004-08-24 |
| Borehole Type: Exploration |
| Drilling Method: Percussion & Core |
| Sample Type: Core & Chips |
| Depth of Surface Casing: N/A |
| Azimuth: Degrees |
| Hole Inclination: -90 Degrees |
| Collar Elevation: 932 Metres |
| Borehole Water Strike: 60 Metres |
| End of Hole (Depth): 190 Metres |
| Hole Diameter: 165 Millimetres |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 2 | Surface vegetation: grass and shrub. Dark-grey Topsoil & dull (dirty) cream calcrete. |
| 2. | 2 | 8 | Grey - orange to cream yellowish calcrete. |
| 3. | 8 | 17 | Pale orange Silcrete (fine grained) with cream-yellow Sandy calcrete. |
| 4. | 17 | 35 | Pale-orange & white Sandy calcrete. |
| 5. | 35 | 46 | Dark-red medium graiined Sandstone (poorly consolidated) colour index increases downward. |
| 6. | 46 | 60 | Very hard red-brown coarse grained (matrix free) Sandstone with "dirty" weathering/oxidation (quartzite-like) chips. Water struck at 60m. |
| 7. | 60 | 74 | Grey-red- brown fine grained Sandstone. |
| 8. | 74 | 86 | Grey Sandstone with large (very coarse) up to 10mm size rounded quartz pebbles to 80m. Possibe gravel layer(s) within Sandstone. |
| 9. | 86 | 180 | Mixture of grey & red-brown siltstone with some grey intercalations. Colour gradually changes to brown then orange-brown towards 112 - 115m then greyish at 120m. |
| 10. | 180 | 190 | Grey siltstone. Note the mixture of colour grey & dark-grey. Some chips show dark laminations. E.O.H at 190m in grey siltstone. |
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