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Exploration Borehole


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 Borehole Number: 105/17/X549/H01

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL57/98
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.219051 , 24.349518
 Location: Kedia

 
 Start Drill: 2004-09-02
 End Drill: 2004-09-04
 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: 930 Metres
 Borehole Water Strike: 76 Metres
 End of Hole (Depth): 144 Metres
 Hole Diameter: 165 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 20Cream white, fine grained calcrete.
2.20 31Cream white, fine grained calcretised Sandstone.
3.31 36Pale green, fine grained Silcrete & silcretised Sandstone, becoming light grey/ light brown with depth eg (40 - 60)m.
4.36 63Pale green, fine grained Silcrete & silcretised Sandstone, becoming light grey/ light brown with depth eg (40 - 60)m. Silcretised Sandstone component increases with depth.
5.63 69Light-grey/light-brown, fine grained moderately sorted Sandstone.
6.69 79Reddish-brown, fine grained, well sorted Sandstone.
7.79 82Reddish-brown, fine grained, well sorted Sandstone. Light-grey, fine grained Sandstone, brown, clay rich (muddy) horizon.
8.82 87Light-brown, fine-medium grained, loosely consolidated Sandstone.
9.87 112Light-brown, medium-coarse grained loosely consolidated Sandstone.
10.112 115Reddish-brown, fine grained massive igneous rock basalt?? Amygdals visible (collapsing).
11.115 144Dark-grey, fine,medium-coarse crystaalline massive igneous rock basalt (?).

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