This publication highlights the potential presence of uranium in ore deposits that are not commonly thought of as uraniferous and therefore highlights potential additional sources of uranium supply. It also provides insights into potential legacy mine waste issues for such deposits if the uranium is not extracted. The publication also outlines various historical mining and processing approaches, supported by case studies of each deposit type. The appendix to this publication includes a detailed IAEA deposit classification of uranium deposits and their global distribution, and shows for comparison purposes the equivalent distribution of other deposit types not traditionally considered as uranium deposits (but nevertheless with uranium extraction potential).