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Water Borehole


 
 Borehole Number: BH10155

 
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.32498 , 25.18911
 Location: Mokoboxana-Ngamiland
 Location Description: MOKOBOXANE

 
 Start Drill: 2004-12-02
 End Drill: 2004-12-07
 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: 1 M3/hr
 Static Water Level: 48.5 m
 Borehole Water Strike: 129 Metres
 End of Hole (Depth): 171 Metres
 Hole Diameter: 254 Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 2Calcrete and fine brown sand with reddish silcrete
2.2 12Silcrete: calcretised pink to cream white clay
3.12 13Clay:purple
4.13 41Sandstone: fine grained grey and weakly lithified
5.41 49Mudstone: grey to green thin layers alternating with brick red layers of mudstone
6.49 54Siltone: fine friable and grey in colour
7.54 75Mudstone: grey to light grey
8.75 120Sandstone/mudstone layers alternating
9.120 139Sandstone/mudstone layers sandstone strongly lithified
10.139 147Sandstone fine to coarse, grey to brown and rich in silica
11.147 171Mudstone;green to red then grey towards the end

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