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Exploration Borehole

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 Borehole Number: 105/13/X045/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 10Cream sandy silcrete.
2.10 15Cream-buff, fissile sandy silcrete.
3.15 20Cream sandy silcrete.
4.20 25Sandy silcrete, coarse white arkose.
5.25 30Pink-brown, poorly sorted, lithic wacke-arkose.
6.30 35Pink-brown, poorly sorted arkose.
7.35 40Pink-purple arkose, some sub-rounded quartz granules.
8.40 45White-purple, coarse arkose-mature quartz-angular ferricrete fragments.
9.45 50Much ferricrete, poorly sorted, light brown arkose.
10.50 55Many rounded quartz granules, light brown-grey siltstone, arkose, ferricrete.
11.55 60Quartz granules, brown mica-rich, medium-grained arkose.
12.60 65Predominantly quartz granules, white quartz-arkose-conglomerate.
13.65 70Light brown arkose, purple micaceous ferricrete.
14.70 75Light brown arkose, purple ferricrete.
15.75 80Rounded quartz granules, cream arkose, ferricrete.
16.80 85Rounded quartz granules-pebbles, lithic arkose.
17.85 90Predominantly quartz granules.
18.90 95Brown sideritic silts, ferricrete, grey siltstone.
19.95 100Predominantly grey siltstone.
20.100 105dark grey chilled intrusive.
21.105 110Melanocratic, mica-pyroxene intrusive.
22.110 0E.O.H.

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