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  • UtevskyElinorS2015.xlsx

    Creator:
    Utevsky, Elinor S.
    Abstract:
    The volcanic (~45-10 Ma) and plutonic rocks (~37-12 Ma) comprising the Western Cascades extend from northernmost California to southern British Columbia and are ancestral to modern arc magmatism. The ancestral arc hosts a series of small plutons that are locally associated with porphyry (Cu-Mo) and epithermal (Au) ore deposits. Three...
    Full Text:
    matrix WCOSNU-119 North Santiam Porphyritic monzodiorite Feldspars: Mostly intact, Kspar alt'n dominated

  • UtevskyElinorS2015.pdf

    Creator:
    Utevsky, Elinor S.
    Abstract:
    The volcanic (~45-10 Ma) and plutonic rocks (~37-12 Ma) comprising the Western Cascades extend from northernmost California to southern British Columbia and are ancestral to modern arc magmatism. The ancestral arc hosts a series of small plutons that are locally associated with porphyry (Cu-Mo) and epithermal (Au) ore deposits. Three...
    Full Text:
     mid-­‐latitude  districts   (North  Santiam,  Detroit  Dam,  Quartzville,  and  Blue