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Exploration Borehole

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 Borehole Number: 105/17/X925/H01

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL107/96
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.025262 , 24.537264
 Location: Orapa

 Start Drill: N/A
 End Drill: N/A
 Borehole Type: Exploration
 Drilling Method: Core
 Sample Type: Core
 Depth of Surface Casing: N/A
 Azimuth: 0 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 5Light brown fine to medium grained unconsolidated Sand with a lot of clay material.
2.5 8Light brown weathered calcrete mixed with pale green calcrete and medium grained Sandstone.
3.8 16Pale/Light green fine to medium grained silcretised Sandstone with some calcite viens and Silcrete nodules. It has a lot of clay and some shells were observed more especially between 11-12m depth.
4.16 20Light green to grey fine-medium grained silctretised Sandstone with chalcidony and few clay content.
5.20 29Blackish grey fine-medium grained silcretised Sandstone with some pale green calcretised Sandstone.
6.29 44Pale green to pale brown fine-medfium grained friable Sandstone with some blackish grey silcretised Sandstone. Some green clay (mud) were were also observed. Most of these blackish grey silcretised Sandstone were in an elongated from.
7.44 49Grey to light brown silcretised siltstone with some light green silcretised Sandstone with some pyrite grains.
8.49 71Light green medium grained silcretised Sandstone in the form of stelgtites and stelegmites with some grey-pale green Sandstone and grey-green siltstone.
9.71 74Brown-light grey siltstone mixed with light brown Sandstone with some cavities.
10.74 90Black Coal with some dark brown sanstone and some siltstone.Some pyrite (sulphides) were observed in the concentrate.
11.90 94Black to grey siltstone mixed with about 30% reddish brown siltstone and some few Coal chips.
12.94 97Grey to blackish-brown medium grained silcretised Sandstone with some few chips of grey and pale green siltstone.
13.97 99Light brown to brown silcretised Sandstone with some of the collapsed material.
14.99 105Cream white to light brown medium grained friable and weathered Sandstone.

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