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Exploration Borehole


	Borehole Number: 105/17/X912/H01


	Prospecting Company: De Beers Holdings Botswana
	Prospecting License No.: PL64/99
	Coordinates Type: WGS 84
	Coordinates Format: Decimal Degrees (DD)
	Coordinates: -21.0663 , 24.7168
	Location: Sesunda


	Start Drill: 2005-07-06
	End Drill: 2005-07-07
	Borehole Type: Exploration
	Drilling Method: Core
	Sample Type: Core
	Depth of Surface Casing: N/A
	Azimuth: Degrees
	Hole Inclination: N/A
	Collar Elevation: N/A
	Borehole Water Strike: 9 Metres
	End of Hole (Depth): 88 Metres
	Hole Diameter: 165 Millimetres


	Log Formation:

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

Light greyish, very fine, cohesive clay rich Sand mixed with calcrete. No indicator minerals observed up to the EOH (88m depth).

Cream white, weathered calcrete.

Pale green, medium to fine, calcretised Silcrete (very hard): pan sediments.

Dark greyish, medium to fine-grained calcretised Silcrete (very hard), highly contaminated by gravel size loose fragments falling from above.

Pale greenish, medium to fine-grained, calcretised Sandstone: loose gravel size Silcrete fragments from the overlying formation are characteristic features.

Cream white to pale green, calcretised weathered Sandstone, highly contaminated by Silcretes (tabular shaped) as well as weathered calcrete.

Pale greenish to reddish brown, weathered silty Mudstone, highly contaminated by Silcrete/ Sandstone gravel size fragments.

Brownish green, moderately weathered silty Mudstone, few fragments of overlying sediments are observed.

Dark greyish to black, very fine-grained massive (crystalline), fresh and competent igneous rock, sparkling crystallographic surfaces against the sun. Calcite veining prominent and pyrite like mineral? recovered in concentrate. Relatively high magnetic su