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Exploration Borehole

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 Borehole Number: 105/13/X043/H1

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL111/93
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: N/A
 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 9grey-green pebbly calcrete,well rounded quartz granules
2.9 15well rounded pebbles of won stained quartz,pebbly calcrete
3.15 30predominantly quartz pebbles,calcreted Conglomerateate
4.30 35mainly white,gritty,Sandy calcrete
5.35 40white nodular calcrete,biotubes,quartz granules
6.40 45kalahari Sandy calcrete,silicified pink arenite
7.45 50cream purple,silicified quartz arenite
8.50 55moderately sorted pink quartz arenite
9.55 60pink quartz arenite,siderefic Silcrete,light grey karoo siltstone
10.60 65light to dark grey siltstosne
11.65 70predominantly dark grey siltstone,not carbonaceous
12.70 90carbonaceous Shale,vitrite,won pyrites
13.90 95as above with light grey micaceous arkose
14.95 105well rounded quartz granules,carbonaceous Shale,arkose
15.105 110dark grey micaceous arkose/silt laminated,iron pyrites
16.110 115laminated micaceous silt,cream arkose, iron pyrites
17.115 120carbonaceous Shale,vitrite Coal
18.120 125light brown micaceous arkose
19.125 130light grey micaceous arkose,quartz granules
20.130 135predominantly well rounded quartz granules
21.135 140dark grey micaceous siltstone,light grey mica arkose
22.140 145micaceous arkose,quartz granules
23.145 150grey siltstone wthrd intrusive
24.150 155light grey brown stained siltstone,fresh black intrusive
25.155 160fresh melanocratic,microcrystalline intrusive(dolerite)
26.160 165microcrystaline dolerite
27.165 170microcrystaline dolerite,light grey siltstone
28.170 180microcrystlline dolerite
29.180 185microcrystalline dolerite,large epidote crystals
30.185 189microcrystalline dolerite

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