Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL57/98 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -21.448307 , 24.517577 |
Location: Kedia |
Start Drill: 2004-09-17 |
End Drill: 2004-09-20 |
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: 927 Metres |
Borehole Water Strike: N/A |
End of Hole (Depth): 137 Metres |
Hole Diameter: 165 Millimetres |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 8 | Surface Feature: flat surface. Dark-grey Topsoil & calcrete clasts and cream-white calcrete. |
2. | 8 | 28 | Grey-orange fine (massive) Silcrete & white calcrete, Sandy calcrete and calcretised Sandstone. Calcrete content decreases downward. |
3. | 28 | 32 | Red-brown fine grained hard mottled Sandstone and nodular Sandstone 32m. With orange-yellowish siltstone, yellow siltstone. |
4. | 32 | 60 | Grey-brown siltstone. |
5. | 60 | 73 | Siltstone: Grey brownish siltstone. |
6. | 73 | 90 | Grey laminated siltstone & pyritic up to 90m. |
7. | 90 | 99 | Dark-grey (darker) than above,B Black- grey siltstone or very fine grained Sandstone. |
8. | 99 | 131 | Dark-grey very fine grained igneous rock containing calcite (?) pyrite. |
9. | 131 | 137 | Grey fine grained laminated Sandstone.E.O.H. |
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