translate English to French: Statistics from this survey include detailed information on feasibility studies and other more technically related costs that were previously excluded. The redesigned survey also provides a clearer distinction between the primary exploration and deposit appraisal phases, and additional information on associated environmental costs.
Les statistiques établies au moyen de ce relevé comprennent de l’information détaillée sur les études de faisabilité et sur d’autres coûts liés à des aspects techniques qui n’étaient pas inclus antérieurement.