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Exploration Borehole

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 Borehole Number: 105/18/X711/H01

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL2/97
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.639909 , 25.905222
 Location: Letlhakane

 Start Drill: 2006-06-03
 End Drill: 2006-06-05
 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: 1075 Metres
 Borehole Water Strike: 35 Metres
 End of Hole (Depth): 101 Metres
 Hole Diameter: 165 Millimetres

 Log Formation:
No.From (m)To (m) Log Formation
1.0 1Orange, fine-grained loose Sand.
2.1 7Orangish brown, fine to medium grained silcretised Sandstone mixed with cream white silcretised Sandstone.
3.7 17Cream white to light brown, fine to medium grained calcretised and silcretised Sandstone.
4.17 23Cream white to light brown, fine unconsolidated Sandstone.
5.23 26Light orange, fine to medium grained, slightly consolidated Sandstone.
6.26 35Light orangish, fine-grained unconsolidated Sandstone.
7.35 41Orangish brown, fine-grained , slightly consolidated Sandstone.
8.41 47Reddish brown, fine to medium grained consolidated silcretised Sandstone, mixed with cream white calcite.
9.47 53Reddish brown, weathered Basalt with some calcite veins.
10.53 59Dark brown, fresh and competent with some calcite veins.
11.59 61Greenish brown, fresh and competent Basalt.
12.61 66Dark brown to greenish brown, fresh and competent amygdaloidal Basalt.
13.66 70Greenish brown, fresh and competent Basalt, low in calcite amygdales.
14.70 95Dark greenish, fresh and competent Basalt.
15.95 96Dark greenish Basalt mixed with Sandstone lens.
16.96 99Cream white, fine to medium grained Sandstone, highly contaminated by Basalt.
17.99 101Light brown, fine-grained Sandstone.

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