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  • MitchellTerry Edward1981.pdf

    Creator:
    Mitchell, Terry Edward
    Abstract:
    Several uranium anomalies, with concentrations of U₃0₈ that average below 0.003 percent and reach maximums of 0.069 percent, are associated with black, fossiliferous, pyritic parts of the Ordovician Ledbetter Slate in northern Stevens County, Washington. The most uraniferous parts of the slate occur in small (average of 5 by 30...

  • Plate 2.jpg

    Creator:
    Mitchell, Terry Edward
    Abstract:
    Several uranium anomalies, with concentrations of U₃0₈ that average below 0.003 percent and reach maximums of 0.069 percent, are associated with black, fossiliferous, pyritic parts of the Ordovician Ledbetter Slate in northern Stevens County, Washington. The most uraniferous parts of the slate occur in small (average of 5 by 30...

  • Plate 1.jpg

    Creator:
    Mitchell, Terry Edward
    Abstract:
    Several uranium anomalies, with concentrations of U₃0₈ that average below 0.003 percent and reach maximums of 0.069 percent, are associated with black, fossiliferous, pyritic parts of the Ordovician Ledbetter Slate in northern Stevens County, Washington. The most uraniferous parts of the slate occur in small (average of 5 by 30...

  • Uranium mineralization of the metamorphic aureole of the Spirit pluton, Stevens County, Washington

    Creator:
    Mitchell, Terry Edward
    Abstract:
    Several uranium anomalies, with concentrations of U₃0₈ that average below 0.003 percent and reach maximums of 0.069 percent, are associated with black, fossiliferous, pyritic parts of the Ordovician Ledbetter Slate in northern Stevens County, Washington. The most uraniferous parts of the slate occur in small (average of 5 by 30...
    Resource Type:
    Masters Thesis