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Exploration Borehole


 
 Borehole Number: 105/17/X913/H01

 
 Prospecting Company: De Beers Prospecting Botswana (Pty) Ltd
 Prospecting License No.: PL64/99
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.15965 , 24.92402
 Location: Makgadikgadi

 
 Start Drill: 0000-00-00
 End Drill: 0000-00-00
 Borehole Type: Exploration
 Drilling Method: Percussion
 Sample Type: Core
 Depth of Surface Casing: N/A
 Azimuth: Degrees
 Hole Inclination: N/A
 Collar Elevation: N/A
 Borehole Water Strike: 67 Metres
 End of Hole (Depth): 149 Metres
 Hole Diameter: 165 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 7Cream white to light brown, weathered calcrete.
2.0 7Cream white to light brown, weathered calcrete.
3.0 7
4.7 14Dark greenish (the colour fading with depth), massive crystalline, fresh and competent Silcrete.
5.7 14Dark greenish (the colour fading with depth), massive crystalline, fresh and competent Silcrete.
6.7 14
7.14 23Pale greenish, weathered siltstone.
8.14 23Pale greenish, weathered siltstone.
9.14 23
10.23 25Greenish brown, silty Mudstone.
11.23 25Greenish brown, silty Mudstone.
12.23 25
13.25 29Greenish brown, muddy Siltstone.
14.25 29Greenish brown, muddy Siltstone.
15.25 29
16.29 40Reddish brown, oxidised silty Mudstone.
17.29 40
18.29 40Reddish brown, oxidised silty Mudstone.
19.40 65Light greyish, finely laminated silty Mudstone.
20.40 65
21.40 65Light greyish, finely laminated silty Mudstone.
22.65 69Very dark grey to black, massive carbonaceous Mudstone, shiny pyrite crystals observed.
23.65 69
24.65 69Very dark grey to black, massive carbonaceous Mudstone, shiny pyrite crystals observed.
25.69 77
26.69 77Very dark grey to black, thinly laminated carbonaceous Mudstone (Coally), with super abundant pyrite as both the veinlets or crystals
27.69 77Very dark grey to black, thinly laminated carbonaceous Mudstone (Coally), with super abundant pyrite as both the veinlets or crystals
28.77 81
29.77 81Light greyish, thinly laminated carbonaceous Mudstone (Coal), with super-abundant crystals of pyrite.
30.77 81Light greyish, thinly laminated carbonaceous Mudstone (Coal), with super-abundant crystals of pyrite.
31.81 101
32.81 101Dark grey to black, thinly laminated carbonaceous Mudstone (Coally) with abundant pyrite.
33.81 101Dark grey to black, thinly laminated carbonaceous Mudstone (Coally) with abundant pyrite.
34.101 120
35.101 120Dark greyish, fine-grained, fresh and competent igneous mafic rock. Pyrite recovered in concentrate. Sparkling crystals against the sun are observed.
36.101 120Dark greyish, fine-grained, fresh and competent igneous mafic rock. Pyrite recovered in concentrate. Sparkling crystals against the sun are observed.
37.120 149
38.120 149Greenish grey, fine to medium grained igneous mafic rock, fresh and competent, and is characterised by the presence of mica like minerals.
39.120 149Greenish grey, fine to medium grained igneous mafic rock, fresh and competent, and is characterised by the presence of mica like minerals.

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