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Exploration Borehole


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 Borehole Number: 105/18/X620/H01

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL001/97
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.431687 , 25.546681
 Location: Orapa

 
 Start Drill: 2005-04-05
 End Drill: 2005-04-05
 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: 999 Metres
 Borehole Water Strike: 128 Metres
 End of Hole (Depth): 150 Metres
 Hole Diameter: 165 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 1Light brown Sand mixed with Silcrete.
2.1 2Pink orange Silcrete mixed with light grey calcrete
3.2 6Pink orange Silcrete mixed with medium brown basalt
4.6 18Medium brown medium weathered basalt with cream white calcite.
5.18 26Medium brown medium weathered basalt.
6.26 29Light brown medium weathered basalt.
7.29 34Greyish brown medium weathered basalt.
8.34 44Medium brown medium weathered basalt.
9.44 49Greyish brown fresh basalt high competent.
10.58 64Highly competent dark grey fresh basalt.
11.64 70Reddish grey medium fresh basalt.
12.70 94Highly competent dark grey fresh basalt contaning few pyrite.
13.94 98Highly competent greyish brown fresh basalt containing few pyrite.
14.98 99Dark grey fresh amygdaloidal basalt with calcite.
15.99 106Highly competent dark grey fresh basalt.
16.106 107Dark grey fresh basalt with cream white calcite.
17.107 109Highly competent dark grey basalt.
18.109 111Dark grey fresh feldspar rich basalt.
19.111 114Highly competent dark grey fresh basalt.
20.114 115Pink orange fine grained weathered Sandstone layer.
21.115 122Highly competent dark grey basalt.
22.122 125Grey brown medium fresh basalt.
23.125 127Red brown medium weathered basalt.
24.127 128Pink orange medium weathered Sandstone.
25.128 138Light brown fresh fine grained unconsoledated Sandstone.
26.138 150Pink orange fresh fine grained Sandstone.

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