[en] This publication is a companion document to the recently issued IAEA map of the World Distribution of Uranium Deposits (1995). It contains brief descriptions of the various types of uranium deposits, their districts or provinces, and their geological characteristics. The most important part of the document is the description of 582 uranium deposits occurring in 48 countries that meet the minimum criteria set for the production of the world map. Each of the deposits (except as noted) have average grades of 0.3% U or more, and contains uranium resources of at least 500 tonnes. This is the first compilation of uranium deposits published that attempts to cover the entire world