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Filtering by: Creator Staudigel, H. Remove constraint Creator: Staudigel, H. Decade 1990-1999 Remove constraint Decade: 1990-1999 Subject Hydrothermal alteration -- South Pacific Ocean Remove constraint Subject: Hydrothermal alteration -- South Pacific Ocean

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  • Hydrothermal alteration of a supra-subduction zone ophiolite analog, Tonga, Southwest Pacific

    Creator:
    Kelman, Melanie C.
    Abstract:
    The basement of the Tonga intraoceanic forearc comprises Eocene arc volcanic crust formed during the earliest phases of subduction. Volcanic rocks recovered from the forearc include boninites and arc tholeiites, apparently erupted into and upon older mid-oceanic ridge tholeiites. Rock assemblages suggest that the forearc basement is a likely analog...
    Resource Type:
    Masters Thesis
    Full Text:
    seawater in the volcanic section can continue for tens of millions of years (Staudigel et al., 1981