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The syenites and quartz feldspar porphyries of the Mumbwa district occur as satellite bodies at the north east margin of the Hook Granite Massif, a large batholith dated 456 Ma, and intrude the pre-Cambrian Katanga metasediments. The composition of syenitic rocks varies from hornblende biotite...

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...

A mass balance technique was used to investigate the hydrogeochemistry of the Kafixe river as it crosses the Copperbelt mining area between Raglans farm and Machiya feiTy. Tlie study is done by examining the mass flow-rates often chemical parameters, namely: total dissolved solids, total...

Zambia is one of the major gemstone producers of the world. The global value of rough Emerald production is estimated at US$1 billion a year. Available data indicate that Zambia accounts for about 20% of this value. Apart from emeralds, there are also several other important gemstones produced in...

An empirical assessment of the peak shear strength of rock discontinuities occuring in the hangingwall rock formations at Nchanga Open Pit is presented in this dissertation. A brief history and geology of the open pit including its structural and geometrical setting are outlined. Some recent...

There is now compelling evidence that magnesium sulphate is effective and recommended for use in the prevention and treatment of eclampsia seizures(1'2). The benefits of magnesium sulphate (MgSC>4) includes reduction of recurrent seizures by more than 50%, and improved maternal and neonatal...

The Kabompo river basin with an area of 72,000 km2, in North-Western Zambia is one of the major tributaries of the upper Zambezi River. Key water resources management problems in the Kabompo include water allocation to agriculture and ecosystems, effects of land-cover change on the flow regime...

This study assesses the impact of Climate Change on water resources in the Lwitikila River located in Mpika District of Northern Zambia. In the past few years, downstream water users have had conflicts over the use of limited water resources in Lwitikila River. There are reports that the old...

Availability of data and information on groundwater is important for sustainable utilization of groundwater resources. Its assessment, development, utilization and management largely depend on data acquisition; the aspect often overlooked or inconsistently carried out in most groundwater...

The use of backfill in underground mines has increasingly become an integral part of overall mining operations all over the world. This has largely been driven by the need to increase ore recovery and productivity. The underground mining activities have given rise to creation of large volumes of...