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Exploration Borehole

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 Borehole Number: 105/17/X858/H01

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL107/96
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.114748 , 24.723596
 Location: Sesunda

 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 1Greyish, fine-grained weathered cohesive Sand and calcrete.
2.1 5Cream white to greenish, weathered calcrete.
3.5 8Olive green, calcretised Silcrete (pan-sediments).
4.8 20Olive green, calcretised Silcrete mixed with elongated tabular shaped calcretised Silcrete fragments (longer than 10cm) and loose rubbles (pan sediments).
5.20 25Light green, fine to medium grained, calcretised Sandstone (very hard), mixed with loose Silcrete fragmments from above.
6.25 30Light greyish green, calcretised mudstone contaminated by Silcrete fragment from above.
7.30 35Olive greenish to orangish yellow, thinly laminated mudstone, Silcrete fragments from above lithology are persistent.
8.35 41Greyish to reddish brown, thinly laminated mudstone.
9.41 48Greyish oxidised (coated with orangish tint-oxide), thinly laminated mudstone.
10.48 59Reddish brown, thinly laminated mudstone.
11.59 62Orangish yellow to reddish brown, thinly laminated mudstone.
12.62 105Very black, thinly laminated carbonaceous mudstone, with superabundant pyrite.
13.105 120Cream white (whitish), weathered, very coarse grained (gritty) Sandstone.
14.120 126Cream white, medium to coarse grained, weathered Sandstone.
15.126 128Cream white, thinly laminated silty mudstone.
16.128 154Dark greyish to black, very fresh and competent igneous mafic rock.

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