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Exploration Borehole

 Borehole Number: 105/25/K003/1A/NDJ

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL31/88
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -22.704628 , 27.882882
 Location: Lerala

 Start Drill: 0000-00-00
 End Drill: 0000-00-00
 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: Metres
 End of Hole (Depth): N/A
 Hole Diameter: Millimetres

 Log Formation:
No.From (m)To (m) Log Formation
1.0 3Topsoil cover.
2.3 10Clay rich weathered quartzo feldspathic basement, with minor granite gneiss fragments - weathered kimberlite.
3.10 23Blue clay rich weathered zone with fragments of qtzofeldspathic basement, Amphiboliteibolitic, pink basement, granite gneiss.
4.23 31Blue chips of kimberlite recovered with macrocrystic texture visible.
5.33 33Kimberlite with + 60% xenoliths consisting of mainly angular granite gneiss, Amphiboliteibolite, feldspathic basement.
6.33 34Kimberlite blue, fresh & macrocrystic.

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