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Exploration Borehole


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 Borehole Number: 105/18/X630/H01

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL001/97
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.501634 , 25.889753
 Location: Orapa

 
 Start Drill: 2005-04-25
 End Drill: 2005-04-28
 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: 1049 Metres
 Borehole Water Strike: 50 Metres
 End of Hole (Depth): 138 Metres
 Hole Diameter: 165 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 2Yellowish brown loose fine grained Topsoil.
2.2 5Light reddish brown fine grained consolidated silcretised Sandstone with about 10 % calcrete.
3.5 8Light reddiish brown fine grained silcretised Sandstone.
4.8 15Moderate orange pink fine grained weathered unconfined Sandstone.
5.15 17Very light orange fine grained unconsolidated Sandstone.
6.17 18Light orange fine grained unconsoliated Sandstone.
7.18 21Very light orange fine grained unconsolidated Sandstone.
8.21 22Light orange fine grained unconsolidated Sandstone.
9.22 23Greyish orange fine grained unconsolidated Sandstone.
10.23 26Light orange fine grained unconsolidated Sandstone with about 10% cream white Sandstone.
11.26 29Light orange fine grained unconsoliidated Sandstone.
12.29 31Orange fine grained unconsolidated Sandstone.
13.31 42Yellowish orange fine to medium grained unconsolidated Sandstone.
14.42 430range, fine to medium grained unconsolidated Sand stone
15.43 49Orange fine grained uncosolidated Sandstone.
16.49 53Orange fine grained unconsolidated Sandstone
17.53 56Brownish orange fine grained unconsolidated Sandstone
18.56 58Light brown weathered basalt with about 10% calcite
19.58 59Dark brown weathered basalt with 30% calcite
20.59 60Dark brown weathered basalt with 20% amygdals
21.60 63Brownish green fresh and competent basalt.
22.63 66Dark brown fresh and competent basalt with about 20% amygdales.
23.66 67Greenish brown competent basalt with amygdales.
24.67 70Greenish brown competent Basalt with amygdales.
25.70 71Greenish brown weathered Sandstone with about 20% liightt brown Sandstone.
26.71 72Light brown fine grained saandstone.
27.72 73Greenish brown fresh and competent Basalt with 5% amygdales.
28.73 75Greenish brown fresh and competent basalt with about 20% amygdales.
29.75 76Greenish brown fresh and competent Basalt.
30.76 78Greenish grey fresh Basalt.
31.78 80Light green fresh basalt with collapsed light orange Sandstone.
32.80 85Light green fresh Basalt wiith amygdales.
33.85 87Light grey fresh basalt.
34.87 95Light greyish green fresh and competent Basalt.
35.95 96Light greyish green fresh Basalt with amygdales.
36.96 119Light greenish grey fresh Basalt.
37.119 121Light grey fresh Basalt.
38.121 123Light brown Sandstone with light grey to brownish basalt.
39.123 124Light orange fine grained Sandstone.
40.124 138Orange fine grained weathered Sandstone.

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