Borehole Number: |
Prospecting Company: De Beers Prospecting Botswana (Pty) Ltd |
Prospecting License No.: PL64/99 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -21.23881 , 24.77638 |
Location: Makgadikgadi |
Start Drill: 2006-03-14 |
End Drill: 2006-03-15 |
Borehole Type: Exploration |
Drilling Method: Percussion |
Sample Type: Core |
Depth of Surface Casing: N/A |
Azimuth: 0 Degrees |
Hole Inclination: N/A |
Collar Elevation: N/A |
Borehole Water Strike: N/A |
End of Hole (Depth): 0.1651 Metres |
Hole Diameter: 78 Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 1 | Light brown, fine-grained, cohesive Sand. |
2. | 0 | 1 | Light brown, fine-grained, cohesive Sand. |
3. | 1 | 10 | Cream white, highly weathered calcrete mixed with clay-rich Sand. |
4. | 1 | 10 | Cream white, highly weathered calcrete mixed with clay-rich Sand. |
5. | 10 | 14 | Greyish green to greyish, calcretised Silcrete. |
6. | 10 | 14 | Greyish green to greyish, calcretised Silcrete. |
7. | 14 | 18 | Dark greyish to greenish, moderately weathered, igneous mafic rock, with calcite veining along fractures and shiny brownish yellow resin like material. |
8. | 14 | 18 | Dark greyish to greenish, moderately weathered, igneous mafic rock, with calcite veining along fractures and shiny brownish yellow resin like material. |
9. | 18 | 25 | Dark greyish to black, very fine-grained, fresh and competent igneous mafic rock, characterised by calcite veining. |
10. | 18 | 25 | Dark greyish to black, very fine-grained, fresh and competent igneous mafic rock, characterised by calcite veining. |
11. | 25 | 50 | Dark greyish to blackish, fresh and competent, fine-grained igneous mafic rock. |
12. | 25 | 50 | Dark greyish to blackish, fresh and competent, fine-grained igneous mafic rock. |
13. | 50 | 59 | Greyish brown, massive silty Mudstone. |
14. | 50 | 59 | Greyish brown, massive silty Mudstone. |
15. | 59 | 65 | Dark reddish brown, thinly laminated mudstone, sulphides (pyrite) is abundant |
16. | 59 | 65 | Dark reddish brown, thinly laminated mudstone, sulphides (pyrite) is abundant |
17. | 65 | 78 | Greyish brown, thinly laminated silty Mudstone. |
18. | 65 | 78 | Greyish brown, thinly laminated silty Mudstone. |
© Botswana Geoscience Institute 2024 | www.bgi.org.bw | Disclaimer