Picture Not Available
Welcome | Search Borehole BGI | Exploration Borehole

Exploration Borehole

Print PDF
 Borehole Number: 105/18/X702/H01

 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL2/97
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.501865 , 25.583485
 Location: Letlhakane

 Start Drill: 2006-04-05
 End Drill: 2006-04-06
 Borehole Type: Exploration
 Drilling Method: Percussion & Core
 Sample Type: Core & Chips
 Depth of Surface Casing: N/A
 Azimuth: Degrees
 Hole Inclination: -90 Degrees
 Collar Elevation: 1016 Metres
 Borehole Water Strike: 75 Metres
 End of Hole (Depth): 84 Metres
 Hole Diameter: 165 Millimetres

 Log Formation:
No.From (m)To (m) Log Formation
1.0 2Brownish orange unconsolidated Sand.
2.2 12Brownish orange to light brown silcretised Sandstone with a few calcrete chips.
3.12 14Light orange silcretised calcrete with a lot of clay material.
4.14 18Reddish brown slightly weathered basalt.
5.18 22Reddish brown slightly weathered amygdaloidal basalt.
6.22 30Greenish brown slightly weathered basalt with some calcite veins.
7.30 32Reddish brown ferricretised amygdaloidal basalt.
8.32 39Greenish brown fresh and competent basalt.
9.39 52Greenish grey fresh competent basalt.
10.52 55Greenish grey fresh and competent basalt with about 20% ferricretised reddish brown basalt.
11.55 70Greenish grey fresh and competent basalt.
12.70 76Reddish brown ferricretised and competent basalt.
13.76 77Reddish brown chilled (heated) Sandstone.
14.77 83Yellowish orange fine-medium grained consolidated Sandstone.
15.83 84Light orange fine grained unconsolidated Sandstone.

© Botswana Geoscience Institute 2024 | www.bgi.org.bw | Disclaimer