Borehole Number: |
Prospecting Company: De Beers Prospecting Botswana (Pty) Ltd |
Prospecting License No.: PL 7/2000 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -21.2122 , 24.384 |
Location: Orapa |
Start Drill: N/A |
End Drill: N/A |
Borehole Type: Exploration |
Drilling Method: Percussion |
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): 143 Metres |
Hole Diameter: 8 in Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 20 | Cream-white, calcrete & fine grained calcretised Sandstone. |
2. | 0 | 20 |
3. | 20 | 40 | Pale-green-light-grey, silcretised Sandstone (pan sediments). Pale-green , colour redness with depth. |
4. | 20 | 40 |
5. | 40 | 51 | Light-grey, silcretised Sandstone, silcretisation redness with depth. Light-brown, fine medium grained moderately sorted Sandstone. |
6. | 40 | 51 |
7. | 51 | 63 | Light-grey to pale-yellow, siltstone. |
8. | 51 | 63 |
9. | 63 | 72 | Reddish-brown clay rich, weathered igneous rock (basalt). |
10. | 63 | 72 |
11. | 72 | 79 | Reddish-brown, weathered Basalt??? |
12. | 72 | 79 |
13. | 79 | 93 | Light-grey, fine grained, moderately sorted, micaceous Sandstone becoming loosely consolidated downwards.. |
14. | 79 | 93 |
15. | 93 | 95 | Pale green-light, fine grained moderately sorted Sandstone. |
16. | 93 | 95 |
17. | 95 | 108 |
18. | 95 | 108 | This unit becomes coarser towards its base. |
19. | 108 | 112 |
20. | 108 | 112 | Grey medium-coarse grained moderately-poorly sorted Sandstone. |
21. | 112 | 115 |
22. | 112 | 115 | Reddish-brown-grey, fine grained weathered (at the top) igneous rock becoming coarse crystalline (plagiaclase?) Gabbro? |
23. | 115 | 143 |
24. | 115 | 143 | Dark-grey, medium grained slightly coarse crystalline ( plagioclase feldspars???) Igneous Rock GABBRO ??? E.O.H. |
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