Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL78/88 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -23.175716 , 22.35512 |
Location: Ghanzi |
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 | 5 | 5m Off white- light grey nodular Sandy calcrete. |
2. | 5 | 24 | Very poor chip recovery- generally Sands and calcrete some worm tubes also seen. |
3. | 24 | 28 | 27m Limonitic poorly sorted calcareous Sandstone. |
4. | 28 | 30 | 30- Calcareous Sandstone- becoming light grey with small amounts of Silcrete. |
5. | 30 | 34 | Light grey becoming pink mottled calcareous Sandstone (+ with small amounts of Silcrete). |
6. | 34 | 44 | 36m Light grey calc Sandstone. |
7. | 44 | 46 | 45 As above with Silcrete. |
8. | 46 | 50 | 48m Light grey pink- calc Sandstone. |
9. | 50 | 60 | 51m Dominantly pink (+ light grey) calc Sandstone. Coarse grained occasionally fractured, occ limonitic, occ Conglomerateeratic. |
10. | 60 | 76 | Dominantly pink- light grey coarse grained calcareous Sandstone, fractured and occasionally Conglomerateeratic. |
11. | 76 | 78 | 77m Dominantly light grey- poorly sorted calc Sandstone. |
12. | 78 | 86 | 80- Buff brown- light grey calc Sandstone. |
13. | 86 | 90 | 88- Pink- mottled pink/white calc Sandstone. |
14. | 90 | 96 | Light grey mottled pink occ off white calc Sandstone. |
15. | 96 | 98 | 98 As above with some red/brown Silcrete. |
16. | 98 | 102 | 100 Off white light grey calc Sandstone. |
17. | 102 | 116 | 104- Slightly limonitic otherwise very homogenous. |
18. | 116 | 120 | 118- Light grey- pale pink slightly mottled calc Sandstone. |
19. | 120 | 124 | Light grey- pale pink calcareous Sandstone very homogenous. |
20. | 124 | 130 | 125 Light pink homogenous calc Sandstone. |
21. | 130 | 138 | 131 Light grey homogenous calc Sandstone. |
22. | 138 | 148 | 139- Some Silcrete. |
23. | 148 | 150 | 148 Limonitic staining on light grey dirty calc Sandstone. |
24. | 150 | 154 | Pink calcareous Sandstone. |
25. | 154 | 156 | 156- Very poorly sorted calc Sandstone. |
26. | 156 | 157 | KAROO 157m- Light grey- pale pink- clean siltstone (to very fine Sandstone). |
27. | 157 | 158 | 158- becoming a gritty Sandstone. |
28. | 158 | 164 | 161- Conglomerateeratic pink Sandstone, with very poor sorting and angular qtz grains. |
29. | 164 | 165 | 165- with siltstone. |
30. | 165 | 172 | 166- Dominantly pale pink/grey finely laminated siltstone. |
31. | 172 | 180 | 173- becoming dark grey. |
32. | 180 | 190 | Grey- dark grey finely laminated siltstone. |
33. | 190 | 196 | 191- Dark grey- green/black crystalline dolerite only slightly wthrd. |
34. | 196 | 210 | 198 Becoming quite coarse dolerite. |
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