Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL57/98 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -21.504901 , 24.462984 |
Location: Kedia |
Start Drill: 2004-09-15 |
End Drill: 2004-09-16 |
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: 940 Metres |
Borehole Water Strike: N/A |
End of Hole (Depth): 150 Metres |
Hole Diameter: 165 Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 3 | Surface Features: Vegetation, thick grass & small trees. Flat surface located about 1km of a vegetated pan. Dark-grey fine Sand. Cream-white calcrete. |
2. | 3 | 11 | Cream-white calcrete. |
3. | 11 | 17 | Calcrete powder, cream-white calcrete, and whitish Sandy calcrete. |
4. | 17 | 20 | Whitish-Sandy calcrete. |
5. | 20 | 26 | Whitish Sandy calcrete with light-orange fine Silcrete. Silcrete content increases downward. |
6. | 26 | 36 | Pale-orange Sandstone. |
7. | 36 | 40 | Sandy calcrete (whitish) becoming pinkish downwards. |
8. | 40 | 58 | Sandstone: light-orange (pinkish) medium grained calcareous Sandstone. Colour intensity increases downwards to red-brown. Water intersected at 54m. |
9. | 58 | 62 | Gravels (with agates) in red-brown Sandstone. |
10. | 62 | 101 | Grey fine grained Sandstone. |
11. | 101 | 108 | Brown siltstone turns reddish downwards. |
12. | 108 | 111 | Grey-green siltstone. |
13. | 111 | 114 | Igneous rock: brown fine grained with red-brown to yellowiish weathered minerals. |
14. | 114 | 147 | Grey-green becomes dark, grey with freshness. Only Pyrite is identified. Dark-grey fine grained Igneous. |
15. | 147 | 150 | Weathered greenish Igneous, E.O.H. |
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