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Exploration Borehole


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 Borehole Number: 105/18/X482/H01

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL001/97
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.263838 , 25.569391
 Location: Orapa

 
 Start Drill: 2005-04-19
 End Drill: 2005-04-19
 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: 963 Metres
 Borehole Water Strike: 23 Metres
 End of Hole (Depth): 41 Metres
 Hole Diameter: 165 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 1Cream white weathered calcrete intercalated with brown Sand.
2.1 2Cream white weathered calcrete.
3.2 5Dark brown weathered Basalt containing calcrete contaminants from the overlying Kalahari.
4.5 6Greenish brown weathered Basalt.
5.6 7Reddish brown weathered and consolidated Sandstone lens.
6.7 8Greenish brown weathered Basalt.
7.8 10Greenish brown fresh and competent Basalt.
8.10 12Greenish brown fresh and competent Basalt characterised by about 5% calcite amygdales.
9.12 19Greyish brown fresh and competent Basalt.
10.19 20Reddish brown, ferricretised and competent Basalt.
11.20 35Reddish brown, weathered fine-grained Sandstone.
12.35 41Whitish yellow, weathered fine-grained Sandstone.

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