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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...

Syenitic rocks in Eastern Zambia are represented by both oversaturated quartz bearing types and undersaturated nepholine-sodalite varieties.The ,Sinda syenite intrusions are oversaturated potassics which form a petrogenetically related N-S trending string of intrusions at the eastern margin of...