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Exploration Borehole


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 Borehole Number: 105/18/X633/H01

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL001/97
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.268752 , 25.595104
 Location: Orapa

 
 Start Drill: 2005-04-20
 End Drill: 2005-04-20
 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: 966 Metres
 Borehole Water Strike: 57 Metres
 End of Hole (Depth): 59 Metres
 Hole Diameter: 165 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 3Cream white weathered calcrete with about 5% Silcrete.
2.3 5Brown weathered Basalt mixed calcrete and Silcrete.
3.5 10Greenish brown weathered Basalt.
4.10 11Reddish brown weaathered Basalt.
5.11 12Dark brown weathered Basalt.
6.12 13Greenish grey fresh and competent Basalt mixed with about 40% brown weathered Basalt.
7.13 14Greenish grey fresh and competent Basalt.
8.14 16Greenish grey fresh and competent Basalt with about 10% amygdales.
9.16 22Greenish brown fresh and competent Basalt.
10.22 23Brownish green fresh and competent Basalt
11.23 24Greenish brown fresh and competent Basalt.
12.24 27Brownish green fresh and competent Basalt with some reddish brown ferricretised Basalt.
13.27 31Brownish green fresh and competent Basalt.
14.31 34Greenish grey fresh and competent Basalt.
15.34 35Green fresh and competent Basalt with about 30% ferricretised Basalt.
16.35 38Brownish green fresh and comptent Basalt.
17.38 40Dark brown fresh and competent Basalt mixed with about 20% green Basalt.
18.40 41Dark brown weathered Basalt.
19.41 42Light brown weathered and unconsolidated Sandstone with about 20% weathered brown Basalt.
20.42 44Pink fine grained weathered and unconsolidated Sandstone
21.44 46Light orange fine grained weathered and unconsolidated Sandstone.
22.46 53Light brown fine grained weathered and unconsolidated Sandstone.
23.53 59Yellowish brown fine grained weathered and unconsolidated.

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