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Exploration Borehole


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 Borehole Number: 105/17/X760/H01

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL107/96
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.413158 , 25.362333
 Location: Orapa

 
 Start Drill: 2005-02-04
 End Drill: 2005-02-05
 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: 997 Metres
 Borehole Water Strike: 110 Metres
 End of Hole (Depth): 138 Metres
 Hole Diameter: 165 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 2Dark grey fine grained Sandy Topsoil.
2.2 5Reddish brown calcretised Sandstone mixed with Silcrete.
3.5 9Light grey Silcrete.
4.9 13Red brown weathered basalt.
5.13 25Red brown weathered amygdaloidal basalt comprising cream calcite.
6.25 29Dark brown weathered basalt.
7.29 32Red brown weathered amygdaloidal comprising small amount of cream calcite.
8.32 36Dark brown weathered basalt comprising small amount of cream calcite.
9.36 41Red brown medium weathered basalt.
10.41 43Red brown medium weathered basalt amygdaloidal comprising small amount of cream calcite.
11.43 47Greenish brown medium fresh basalt.
12.47 79Dark grey fresh basalt high competent.
13.79 83Dark grey fresh basalt amygdaloidal comprising small amount of cream calcite.
14.83 89Dark grey fresh basalt high competent.
15.89 91Dark grey fresh basalt amygdaloidal comprising small amount of cream calcite.
16.91 97Dark grey fresh basalt high competent.
17.97 99Greyish brown fresh basalt amygdaloidal comprising small amount of cream calcite.
18.99 103Dark grey fresh basalt high competent.
19.103 109Greyish brown medium fresh basalt.
20.109 138Medium brown fine grained Sandstone.

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