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Exploration Borehole

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 Borehole Number: 105/12/X017/H1

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL51/88
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -20.679233 , 24.411796
 Location: Dikwalo

 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 1Residual Topsoil.
2.1 10Paleo - Makgadikgadi lacustrine sediments. Typically Sandy calcrete with mudstone, gasteropoda .
3.10 19Sandy calcrete, mudstone quartz arenite/Sandy Silcrete with intercalated pan Clays and silts and cryptocrystalline playa Silcrete quartz arenite ,mudstone.
4.19 39Quartz arenite, Silcrete, mudstone.
5.39 51Additional quartz arenite. Lithic wacke, Silcrete.
6.51 62Much green mudstone, Silcrete, wache.
7.62 102Quartz arenite wache, cryptocrystalline Silcrete intercalated with green - brown mudstone.
8.102 124Larger proportion of green siltstone. Lithic wacke with siltstone clasts. Black mudstone , Silcrete.
9.124 140Quartz arenite, authigenic pyrite, green silts, black mudstone, orange quartz arenite.
10.140 150Quartz arenite much black mudstone altered, fragments and silicified extrusive.

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