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Archaean |
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ArchaeanWidely used term for the earliest era of geological time; the first part of the Precambrian Eon, spanning the interval from the formation of Earth to about 2,500 million years ago. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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This northeastern part of the Superior Province, with good exploration potential for gold, base metals and diamond deposits, represents the largest under-explored frontier region of exposed Archean crust in the Canadian Shield. By slowly chipping away at the rock record, however, researchers are starting to develop a portrait of Earth in its tumultuous first 2 billion years, the Archean era. is a rapidly growing gold producer operating in the large Iron Quadrangle Archean greenstone gold camp near Belo Horizonte, which is the mining capital of Brazil. |
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