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Exploration Borehole

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 Borehole Number: 105/12/X004/H1

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL51/88
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -20.67268 , 24.47358
 Location: Tsoe

 Start Drill: 1900-01-02
 End Drill: 1900-01-02
 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): 142 Metres
 Hole Diameter: N/A

 Log Formation:
No.From (m)To (m) Log Formation
1.0 2Residual Topsoil-Sand and gastropod fragments.
2.2 10Lake sediments-Sandy and nodular calcrete.
3.10 24Very coarse mature quartz arenite bioclusts, with siltstone.
4.24 31As above with green pan clay.
5.31 37Siltstone, green pan clay.
6.37 43Siltstone, olsidian like Silcrete breccia.
7.43 51Quartz arenite, calcrete, Silcrete breccia.
8.51 100Pan deposits, cryptocrystalline Silcrete, Silcreted calcrete, green pan clay,q uartz arenite.
9.100 123Fine lacustrine Sands.
10.123 124Granite-gneiss basement.
11.124 142Melanocratic silicified intrusive.

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