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Exploration Borehole

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 Borehole Number: 105/21/X011/H1

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL78/88
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -22.944341 , 21.631488
 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 15Loose Kalahari Sands.
2.15 40Intercalating calcrete, calcareous Sandstones. Dominantly red/orange/brown in colour, with occassional Silcrete horizons.
3.40 60Transitional change to calcareous Sandstone with much coarse calcareous grits and Sandy calcrete.
4.60 154Homogeneous coarse to medium grained calcareous Sandstone.Many colour variations.
5.121 225Fresh dolerite.
6.154 156Light grey/brown laminated siltstone.
7.156 160Highly wthrd red/green dolerite.
8.160 167Light brown/grey silty mudstone coarsening downwards to siltstone.
9.167 168Highly wthrd dolerite.
10.168 170Laminated siltstone.
11.170 191Light brown laminated mudstones.
12.191 197Alternating laminated siltstone with coarse gritty Sandstone.
13.197 212Highly wthrd red/brown to dark grey fine grained dolerite. Becomes progressively less wthrd and coarser.

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