Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL001/97 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -21.724458 , 25.569931 |
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: -90 Degrees |
Collar Elevation: 1055 Metres |
Borehole Water Strike: N/A |
End of Hole (Depth): 118 Metres |
Hole Diameter: 102 Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 9 | Redish-brown, poorly sorted, unconsolidated sand (Upper Kalahari). |
2. | 9 | 14 | Red, poorly sorted, ferruginous sandstone (Upper Kalahari). |
3. | 14 | 15 | Grey/black amorphous silica. |
4. | 15 | 39 | Greyish-brown, partially calcretised and silcretised sandstone (Lower Kalahari). |
5. | 39 | 73 | Reddish-brown, weathered dolerite (holocrystalline basalt). |
6. | 73 | 116 | Dark grey, fresh dolerite (holocrystalline basalt). |
7. | 116 | 118 | Reddish brown/grey Sandstone (Ntane Formation) |
8. | 118 | 0 | E.O.H. |
© Botswana Geoscience Institute 2024 | www.bgi.org.bw | Disclaimer