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Water Borehole


 
 Borehole Number: BH10144

 
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.42897 , 25.61894
 Location: Letlhakane
 Location Description: LETLHAKANE

 
 Start Drill: 2004-11-29
 End Drill: 2004-12-11
 Borehole Type: Groundwater
 Drilling Method: Percussion
 Drilling Rig(s): N/A
 Sample Type: Water
 Depth of Surface Casing: N/A
 Hole Inclination: N/A
 Estimated Yield: 89.5 M3/hr
 Static Water Level: 27.9 m
 Borehole Water Strike: 110 Metres
 End of Hole (Depth): 221 Metres
 Hole Diameter: 381 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 5Kalahari sands and calcrete overbuden, cream white
2.5 16Calcrete with highly weathered basalt
3.16 36Weathered basalt, purple
4.36 108Basalt, moderately weathered to fresh, with presence of calcrete (stormberg)
5.108 110Transition zone from basalt to Ntane sandstone
6.110 113Sandstone, pinkish brown with occurence of reed silstone, fine grained
7.113 131Sandstone, pinkish to light brown with occassional occurence of red siltstsone and sandstone fine to very fine grained
8.131 142Sandstone, light brown to orange-brown, fine grained
9.142 210Sandstone, colour changes from brown reddish-brown to light brown- and to orange-brown, fine to very fine grained
10.210 221Sandstone, and siltstones of Mosolotsane formation, brick-red, very fine grained

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