Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL001/97 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -21.263838 , 25.569391 |
Location: Orapa |
Start Drill: 2005-04-19 |
End Drill: 2005-04-19 |
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: 963 Metres |
Borehole Water Strike: 23 Metres |
End of Hole (Depth): 41 Metres |
Hole Diameter: 165 Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 1 | Cream white weathered calcrete intercalated with brown Sand. |
2. | 1 | 2 | Cream white weathered calcrete. |
3. | 2 | 5 | Dark brown weathered Basalt containing calcrete contaminants from the overlying Kalahari. |
4. | 5 | 6 | Greenish brown weathered Basalt. |
5. | 6 | 7 | Reddish brown weathered and consolidated Sandstone lens. |
6. | 7 | 8 | Greenish brown weathered Basalt. |
7. | 8 | 10 | Greenish brown fresh and competent Basalt. |
8. | 10 | 12 | Greenish brown fresh and competent Basalt characterised by about 5% calcite amygdales. |
9. | 12 | 19 | Greyish brown fresh and competent Basalt. |
10. | 19 | 20 | Reddish brown, ferricretised and competent Basalt. |
11. | 20 | 35 | Reddish brown, weathered fine-grained Sandstone. |
12. | 35 | 41 | Whitish yellow, weathered fine-grained Sandstone. |
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