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 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
1.0 1Light greyish, very fine, cohesive clay rich Sand mixed with calcrete. No indicator minerals observed up to the EOH (88m depth).
2.1 3Cream white, weathered calcrete.
3.3 11Pale green, medium to fine, calcretised Silcrete (very hard): pan sediments.
4.11 20Dark greyish, medium to fine-grained calcretised Silcrete (very hard), highly contaminated by gravel size loose fragments falling from above.
5.20 28Pale greenish, medium to fine-grained, calcretised Sandstone: loose gravel size Silcrete fragments from the overlying formation are characteristic features.
6.28 41Cream white to pale green, calcretised weathered Sandstone, highly contaminated by Silcretes (tabular shaped) as well as weathered calcrete.
7.41 51Pale greenish to reddish brown, weathered silty Mudstone, highly contaminated by Silcrete/ Sandstone gravel size fragments.
8.51 65Brownish green, moderately weathered silty Mudstone, few fragments of overlying sediments are observed.
9.65 88Dark 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

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