Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL57/98 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -21.219051 , 24.349518 |
Location: Kedia |
Start Drill: 2004-09-02 |
End Drill: 2004-09-04 |
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: 930 Metres |
Borehole Water Strike: 76 Metres |
End of Hole (Depth): 144 Metres |
Hole Diameter: 165 Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 20 | Cream white, fine grained calcrete. |
2. | 20 | 31 | Cream white, fine grained calcretised Sandstone. |
3. | 31 | 36 | Pale green, fine grained Silcrete & silcretised Sandstone, becoming light grey/ light brown with depth eg (40 - 60)m. |
4. | 36 | 63 | Pale green, fine grained Silcrete & silcretised Sandstone, becoming light grey/ light brown with depth eg (40 - 60)m. Silcretised Sandstone component increases with depth. |
5. | 63 | 69 | Light-grey/light-brown, fine grained moderately sorted Sandstone. |
6. | 69 | 79 | Reddish-brown, fine grained, well sorted Sandstone. |
7. | 79 | 82 | Reddish-brown, fine grained, well sorted Sandstone. Light-grey, fine grained Sandstone, brown, clay rich (muddy) horizon. |
8. | 82 | 87 | Light-brown, fine-medium grained, loosely consolidated Sandstone. |
9. | 87 | 112 | Light-brown, medium-coarse grained loosely consolidated Sandstone. |
10. | 112 | 115 | Reddish-brown, fine grained massive igneous rock basalt?? Amygdals visible (collapsing). |
11. | 115 | 144 | Dark-grey, fine,medium-coarse crystaalline massive igneous rock basalt (?). |
© Botswana Geoscience Institute 2024 | www.bgi.org.bw | Disclaimer