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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...

The reduction of Masuku Cassiterite gravity concentrate by charcoal was investigated in the temperature range of 850 to 1100oC. A combination of sample weight loss measurements, exist gas analysis and chemical analysis of the reaction products was used to monitor the course of the reaction.The...

The Zambian economy in 1964 was among the strongest in Sub-Saharan Africa. Through the years, however, it declined to among the weakest. The manufacturing sector's contribution to GDP declined from a peak of 30 per cent in 1992 to 24 per cent in 1996. The engineering manufacture sub-sector...

The Small-Scale Mining (SSM) sub-sector makes a significant contribution to the economy of Tanzania. Major benefits include foreign exchange earnings, generation of income for rural population where alternative means of income are limited and also employs over 500,000 people. Minerals being mined...

the study addresses the problem of cost containmentfacing zambia consolidated copper mines limited by focusing on the Nchanga

The scale of corruption is magnified by the size and scope of the construction sector, estimated globally at US$3,200 billion per year (Transparency International, 2005). As economic crimes such as fraud, bid-rigging, bribery, collusion, coercion and extortion have grown worldwide, so has the...

The decline is a major excavation in metalliferous mining since it provides the main means of access to the underground and serves as a haulage route for underground trucks. However, conventional mining of the decline to access the ore body poses economic and technical challenges that require...

Environmental impacts of coal mining and processing operations on land, water and air are identified, measured, evaluated, interpreted and discussed. The impacts of these operations are scarring most of the areas, land surface degradation, pollution of surface water bodies as well as air...