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Exploration Borehole


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 Borehole Number: 105/21/X058/H1

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL78/88
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -22.422567 , 21.645046
 Location: Ghanzi

 
 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 15U Kalahari - loose, poor to unconsolidated aeolian Sandstone, very few +2mm chips recovered, mostly Silcrete and quartz fragments.
2.15 16Buff Silcrete.
3.15 21L Kalahari - massive and competent and mottled mature playa Silcrete pervasively calcreted and buff white very fine grained moderately sorted calcareous Sandstone plus hardpan mature calcrete.
4.16 17Sandy Silcrete and brown, mottled cryptocrystalline Silcrete.
5.17 18Brown mottled cryptocrystalline Silcrete.
6.18 19Mottled cryptocrystalline Silcrete.
7.19 20Partially silicified buff nodular calcrete.
8.20 21As above with fragments of pink gneiss.
9.21 22Mesocratic pink porphyritic granitic gneiss.
10.21 35Karoo - mauve brown /purplish massive mature and competent microcrystalline Silcrete/siltstone.
11.22 31k-feldspar phenocrysts, accessory biotite and hornblende.
12.31 36Porphyritic granitic gneiss

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