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Exploration Borehole


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 Borehole Number: 105/17/X932/H01

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL107/96
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.34985 , 25.460777
 Location: Orapa

 
 Start Drill: 2005-05-13
 End Drill: 2005-05-14
 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: 984 Metres
 Borehole Water Strike: N/A
 End of Hole (Depth): 60 Metres
 Hole Diameter: 165 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 2Cream white weathered calcrete.
2.2 4Reddish brown weathered basalt.
3.4 11Dark brown fresh and competent basalt.
4.11 12Dark brown fresh and competent basalt with about 5% calcite and Silcrete.
5.12 17Dark brown fresh and competent basalt.
6.17 18Brownish red weathered very fine grained rock.
7.18 19Brownish red fresh amygdaloidal basalt.
8.19 22Brownish ed fresh amygdaloidal basalt.
9.22 25Greenish brown fresh and competent basalt.
10.25 30Reddish brown fresh and competent basalt.
11.30 35Reddish brown fresh basalt with about 5% calcite and Silcrete.
12.35 36Dark brown weathered basalt wiith about 30% light orange Sandstone.
13.36 37Light brown unconsolidated Sandstone.
14.37 39Light brown unconsolidated Sandstone mixed with dark brown weathered mudstone.
15.39 40Orange unconsolidated Sandstone.
16.40 51Light orange unconsolidated fine grained Sandstone.
17.51 60Yellowissh orange unconsolidated fine grained Sandstone.

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