Ce catalogue regroupe la description d taill e des min raux pr sent s par le Canada l'exposition universelle. Il s'adresse aux amateurs de min ralogie et aux professionnels de la g ologie qui souhaitent approfondir leur connaissance des ressources min rales du Canada. Les descriptions sont pr cises et accompagn es de photographies. Cet ouvrage est une r f rence incontournable pour tous ceux qui s'int ressent aux min raux.
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