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Exploration Borehole


	Borehole Number: 105/17/X556/H01


	Prospecting Company: De Beers Holdings Botswana
	Prospecting License No.: PL57/98
	Coordinates Type: WGS 84
	Coordinates Format: Decimal Degrees (DD)
	Coordinates: -21.42964 , 24.508761
	Location: Kedia


	Start Drill: 2004-09-15
	End Drill: 2004-09-17
	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: 926 Metres
	Borehole Water Strike: N/A
	End of Hole (Depth): 125 Metres
	Hole Diameter: 165 Millimetres


	Log Formation:

No.	From (m)	To (m)	Log Formation

Cream-white & grey Topsoil (humic) and calcrete.

Cream-white calcrete & dark-grey Silcrete (Chert nodules) up to 3cm rounded and pale-orange silica.

Off-white Sandy calcrete, grey orange massive Silcrete & dark-grey Silcrete.

Grey rounded Silcrete pebbles.

Grey & pinkish fine to medium grained silcretised Sandstone.

Cream-white fin grained Sandstone.

Pink brown fine grained Sandstone, colour intensity increases downward.

Pink-brown fine Sandstone (colour intensity increases downward) also Sandstone coarsens downward to 36-37m.

Dark-grey- very fine grained and bedded (not laminated) Sandstone. Drinkable water strike at 41m.

10.

Lower Kalahari, massive Silcrete large fragments in this layer. Large Chert pebbles, silica- quartz, sub-rounded gravels. Kalonda equivalent.

11.

Grey yellowish brownish weathered ingeous rock becoming dark green downwards. Texture: Very fine Groundmass: green Phenocrysts: dark green Concntrate: No indicators seen Magnetic

12.

112

Red-brown pinkish, non-magnetic siltstone.

13.

112

125

Brown-greyish siltstone becomes grey downward.