This site contains information on how uranium occurs in a number of different igneous, hydrothermal and sedimentary geological environments. Uranium deposits world-wide can be grouped into 14 major categories of deposit types based on the geological setting. Deposits covered in this site include unconformity-related, breccia complex, sandstone, surficial, volcanic, intrusive, metasomatite, metamorphic, quartz-pebble conglomerate and vein deposits.
