| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL001/97 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -21.48646 , 25.850732 |
| Location: Orapa |
| Start Drill: 1900-01-02 |
| End Drill: N/A |
| Borehole Type: Exploration |
| Drilling Method: Percussion & Core |
| Sample Type: Core & Chips |
| 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): 80 Metres |
| Hole Diameter: N/A |
| Log Formation: |
| No. | From (m) | To (m) | Log Formation |
|---|
| 1. | 0 | 2 | Mainly cream-white calcretised Kalahari sandstone, matrix supported, immature. |
| 2. | 2 | 15 | Purplish-grey, silcretised, calcretised sandstone. |
| 3. | 15 | 18 | Calcrete sandstone. |
| 4. | 18 | 26 | Reddish-orange siltstone horizone with calcretised and silcretised sandstone. |
| 5. | 26 | 31 | Pinkish Kalahari sandstone, immature, matrix supported, aeolian texture. |
| 6. | 31 | 42 | Immature, matrix supported, aeolian sandstone, some silcretised and calcretised horizons. |
| 7. | 42 | 46 | Highly weathered, purplish, amygdaloidal basalt with yellowish-green alteration,down hole sandstone contamination. |
| 8. | 46 | 48 | Fresh microcrystalline basalt, yellowish alteration still persists. |
| 9. | 48 | 56 | Much finer-grained amygdaloidal basalt. |
| 10. | 56 | 67 | Dull purplish-grey or yellowish, weathered, amygdaloidal basalt. |
| 11. | 67 | 75 | Fine-grained amygdaloidal basalt. |
| 12. | 75 | 80 | Fresh microcrystalline basalt. E.O.H |
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