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This study illustrates the use of stream sediment in mineral exploration in a semi-arid environm.ent area in central Zimbabwe. The distribution of As, Cu, Zn, Fe and Mn in different size fractions of both sorted and ur.sorted stream sediments were investigated and compared to bedrock and soil...

Angolan diamonds have been produced for more than 90 years. Before independence, indigenous people were not allowed to possess diamonds; those caught with diamonds were executed. After independence the new government empowered it's people through issuing licenses to small-scale mining. Over the...

Seismic refraction and geoelectrical depth soundings were employed in Lusaka District of Zambia. Another survey was conducted in Kabwe District using resistivity mapping and depth sounding techniques. The purpose of these surveys was to evaluate the effectiveness of the methods in locating...

Field and laboratory measurements of rock properties were conducted to investigate the behavior of rock masses at Chibuluma East deep levels. Intact rock strength was obtained by point load testing, Joint spacing, Joint condition, separation of Joints and the infilling materials were determined...

Lusaka sits on a limestone rock formation which makes recharge as well as pollution of groundwater very easy due to the presence of channels created by solution weathering. Informal/unplanned settlements where waste disposal facilities are non-existent are potential groundwater contamination...