There's more than meets the eye when it comes to mineral potential in the Canadian Prairie provinces of Alberta, Saskatchewan and Manitoba. Their unique - and often overlooked - geological heritage has fostered a variety of world-class metal districts, and some of the last frontiers for mineral exploration in the country. Three cratons of the Canadian Shield underpin the Canadian Prairies: the Archean-aged Superior terrane in the east, slightly younger cratons called the Hearne and Rae in the northwest, and remnants of the Paleoproterozoic-aged Trans-Hudson orogen sandwiched in-between.
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