Geology of Uranium Deposits
http://www.world-nuclear.org/info/Nuclear-Fuel-Cycle/Uranium-Resources/Geology-of-Uranium-Deposits/#.UchYjFb_KrQ

World Nuclear Association


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.

This resource is referenced here:
Subject: Geoscience:Geology, Environmental Science:Ecosystems:Biogeochemical cycling
Resource Type: Scientific Resources:Overview/Reference Work
Theme: Teach the Earth:Course Topics:Biogeoscience, Environmental Science