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Exploration Borehole

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 Borehole Number: 105/13/X042/H1

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL111/93
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -20.468919 , 26.380786
 Location: Dukwi

 Start Drill: N/A
 End Drill: N/A
 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: N/A
 End of Hole (Depth): N/A
 Hole Diameter: N/A

 Log Formation:
No.From (m)To (m) Log Formation
1.0 15cream brown Sandy Silcrete
2.15 19fine pink quartz arenite-arkose
3.19 25grey-pink arkose
4.25 30coarse poorly sorted,pink arkose
5.30 35light grey arkose,cream light brown mudstone
6.35 45light brown mudstone
7.45 50dark grey-black carbonaceous mudstone
8.50 55dark grey mudstone,black carbonaceous Shale,vitrinite
9.55 60dark grey mudstone,black Shale-Coal
10.60 65predominantly black Shale-Coal
11.65 70dark grey mudstone,vitrinite-Coal
12.70 80dark grey Shale-Coal
13.80 90vitreous Coal,dark grey Shale
14.90 95dark grey-black Shale,vitreous Coal
15.95 100black Shale,vitreous Coal,won pyrites
16.100 105dark grey Shale,Coal,mid brown Shales
17.105 110carbonaceous Shale,light brown siltstone
18.110 115predominantly carbonaceous Shale/Coal Fes
19.115 120carbonaceous Shale,light brown siltstone
20.120 130Coal light grey,medium grained micaceous arkose
21.130 135cream-pink arkose,buff-pink mudstone,grey Shale
22.135 140dark grey Shale/Coal,micaceous arkose,quartz granules
23.140 145vein quartz gravel lag,some cream arkose
24.145 150dark grey carbonaceous Shale
25.150 160vein quartz gravel lag-sub-well rounded granules
26.160 165dark grey Shale,subrounded quartz granules
27.165 180Coal carbonaceous Shale,grey-brown micaceous arkose
28.180 190subrounded quartz granules,grey micaceous arkose
29.190 195grey siltstone,grey brown arkose,quartz granules
30.195 200dark grey siltstone, quartz granules,micaceous arkose
31.200 210predominantly light grey siltstone,few quartz granules
32.210 215light grey siltstone/grey wacke>15% matrix quartz,feldspar,lithic clasts
33.215 220pink granite gneiss basement
34.220 225grey siltstone,pink gneiss
35.225 230granitic gneiss
36.230 234vitreous Coal(contamination or mislabelled)
37.234 236granitic gneiss

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