Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL107/96 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -21.413158 , 25.362333 |
Location: Orapa |
Start Drill: 2005-02-04 |
End Drill: 2005-02-05 |
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: 997 Metres |
Borehole Water Strike: 110 Metres |
End of Hole (Depth): 138 Metres |
Hole Diameter: 165 Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 2 | Dark grey fine grained Sandy Topsoil. |
2. | 2 | 5 | Reddish brown calcretised Sandstone mixed with Silcrete. |
3. | 5 | 9 | Light grey Silcrete. |
4. | 9 | 13 | Red brown weathered basalt. |
5. | 13 | 25 | Red brown weathered amygdaloidal basalt comprising cream calcite. |
6. | 25 | 29 | Dark brown weathered basalt. |
7. | 29 | 32 | Red brown weathered amygdaloidal comprising small amount of cream calcite. |
8. | 32 | 36 | Dark brown weathered basalt comprising small amount of cream calcite. |
9. | 36 | 41 | Red brown medium weathered basalt. |
10. | 41 | 43 | Red brown medium weathered basalt amygdaloidal comprising small amount of cream calcite. |
11. | 43 | 47 | Greenish brown medium fresh basalt. |
12. | 47 | 79 | Dark grey fresh basalt high competent. |
13. | 79 | 83 | Dark grey fresh basalt amygdaloidal comprising small amount of cream calcite. |
14. | 83 | 89 | Dark grey fresh basalt high competent. |
15. | 89 | 91 | Dark grey fresh basalt amygdaloidal comprising small amount of cream calcite. |
16. | 91 | 97 | Dark grey fresh basalt high competent. |
17. | 97 | 99 | Greyish brown fresh basalt amygdaloidal comprising small amount of cream calcite. |
18. | 99 | 103 | Dark grey fresh basalt high competent. |
19. | 103 | 109 | Greyish brown medium fresh basalt. |
20. | 109 | 138 | Medium brown fine grained Sandstone. |
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