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Exploration Borehole


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 Borehole Number: 105/18/X683/H02

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL001/97
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.489039 , 25.517979
 Location: Orapa

 
 Start Drill: 2005-06-06
 End Drill: 2005-06-07
 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: 1018 Metres
 Borehole Water Strike: N/A
 End of Hole (Depth): 144 Metres
 Hole Diameter: 165 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 2Yellowish orange loose fine grained Sand.
2.2 6Greyish brown silctretised Sandstone with about 15% silcretised calcrete.
3.6 7Cream white silcretised calcrete.
4.7 10Reddish brown calcretised basalt.
5.10 19Reddish brown calcretised basalt mixed with about 30% calcretised Silcrete.
6.19 24Greenish brown weathered basalt.
7.24 26Greenish brown fresh and competent basalt.
8.26 29Reddish brown fresh and competent basalt.
9.29 33Dark brown fresh amygdaloidal basalt.
10.33 37Greenish brown fresh and competent basalt.
11.37 38Greenish brown fresh basalt mixed with 10% ferricretised reddish brown basalt.
12.38 42Greenish brown fresh and competent basalt.
13.42 45Greyish brown fresh and competent basalt.
14.45 47Dark brown fresh fresh amygdaloidal basalt.
15.47 48Greenish brown fresh and competent basalt.
16.48 50Greenish brown fresh amygdaloidal basalt.
17.50 56Greenish brown fresh basalt.
18.56 57Reddish brown fresh amygdaloidal basalt.
19.57 59Dark brown fresh and competent basalt.
20.59 61Greenish brown fresh basalt.
21.61 64Brownish green fresh and competent basalt.
22.64 65Greenish brown amygdaloidal basalt.
23.65 70Greenish brown fresh basalt.
24.70 72Dark brown fresh amygdaloidal basalt.
25.72 73Greenish brown fresh basalt.
26.73 81Brownish green fresh basalt.
27.81 82Greenish brown fresh amygdaloidal basalt.
28.82 86Greenish brown fresh basalt.
29.86 97Brownish green fresh and competent basalt.
30.97 98Brownish green fresh amygdaloidal.
31.98 100Greyish brown fresh amygdaloidal basalt.
32.100 103Greenish brown fresh basalt.
33.103 104Greyish brown fresh amygdaloidal basalt.
34.104 113Greenish brown fresh and competent basalt.
35.113 118Blackish brown fresh and competent basalt.
36.118 119Reddish brown ferricretised basalt.
37.119 125Brownish green fresh and competent basalt.
38.125 128Brownish green fresh and competent basalt with about 10% reddish brown ferricretised basalt.
39.128 129Greenish red ferricretised basalt.
40.129 130Greenish brown ferricretised basalt
41.130 131Reddish brown ferricretised basalt mixed with greenish brown basalt.
42.131 132Reddish brown ferricretised basalt.
43.132 134Orange weathered fine grained Sandstone mixed with some collapsed greenish brown basalt and brown Sandstone
44.134 141Dark orange fine grained unconsolidated Sandstone.
45.141 144Yellowish orange uncosolidated Sandstone.

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