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Exploration Borehole

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 Borehole Number: 105/25/K003/1A/NDH

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL31/88
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -22.705261 , 27.881907
 Location: Lerala

 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 1Brown Topsoil.
2.1 3Calcretised & silicified Sand - much granular qtz in silicified matrix.
3.3 10Highly weathered, strongly foliated chloritized mica feldspar Schist. Predominantly Clays greenish colour.
4.10 25Moderately fresh biotite - Amphiboliteibolite Schist as above.
5.25 32Fine grained, dark grey - chews to fine Clays. Core at 31-34m shows k-fspar banding dripping 40 degrees. Foliation present, but not as evident as selust above. Pervasively speckled with 0.5-1.0mm k-feldspar. Chlorite Schist.
6.32 34Chlorite Schist.

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