Appendices containing data on uranium availability in the Shiprock Quadrangle to accompany a report on U.S. uranium resources in New Mexico, Arizona, Colorado, and Utah.

Appendices containing data on uranium availability in the Aztec Quadrangle to accompany a report on U.S. uranium resources in New Mexico and Colorado.

From Purpose and Scope: "The Raton Quadrangle, New Mexico and Colorado (Fig. 1), was evaluated to identify geologic units and delineate areas that exhibit characteristics favorable for uranium deposits. All geologic environments exposed at the surface were considered. In the subsurface, all geologic environments to a depth of 1500 m were considered using either projection of findings for outcrops or subsurface information from borings."

From Introduction: "The purpose of the National Uranium Resource Evaluation (NURE) program of the U.S. Department of Energy (DOE) is to identify and delineate areas and environments with the Shiprock 1ºx2º Quadrangle, New Mex., Ariz., Colo., and Utah, that exhibit characteristics favorable for the occurrence of uranium deposits that have potential to contain at least 100 metric tons U3O8 total endowment with an average minimum grade of 100 ppm (0.01 percent)."

From purpose and scope: The purpose of the National Uranium Resource Evaluation (NURE) program of the U.S. Department of Energy (DOE) is to identify and delineate areas and environments within the Aztec 10X20 Quadrangle, New Mexico and Colorado, that exhibit characteristics favorable for the occurrence of uranium deposits that have the potential to contain at least 100 metric tons U3 08 total endowment with a minimum grade of 100 ppm (0.01 percent) U3 08 . Evaluation is based on geochemical, mineralogic, hydrologic, aerial radiometric, sedimentologic, and general geologic characteristics of the formations in the quadrangle.