Pitsanyane basin, located between the towns of Lobatse and Gaborone in SE Botswana, has been previously investigated for groundwater resources as a potential source for the supply of water to the two towns. The basin lies entirely in dolomites of the Transvaal Supergroup bounded to the west by impermeable rocks of the Ventersdorp Supergroup and to the east by cherty dolomite hills. The main aquifer horizons are fracture zones and karst solution cavities mostly associated with the fracturen in the dolomites. Until now, the geophysical methods used to site production and observation boreholes have mainly been geoelectrical soundings and resistivity profiling.


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