The very well preserved Belingwe Greenstone Belt provides a case study of Archaean crustal evolution, a geological window into the very early evolution of the earth. It contains some of the most interesting Archaean rocks on earth. The Archaean includes about one third of the earth's history, and there is vigorous debate about the early development of life, the evolution of the continents and the oceans, and the formation of mineral deposits. Geological relationships in the belt now form the basis of the Zimbabwe Archaean stratigraphy. Some of the freshest komatiitic volcanic rocks known constrain the chemistry and thermal structure of the early mantle and stromatolitic and well preserved sedimentary rocks provide a record of surface processes.
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