Information - TS2.3/GD06 Mid-Ocean Ridges: Structure, Dynamics, Geochemistry and Hydrothermal Systems (co-organized by GD and BG) (co-sponsored by InterRidge)
Mid-ocean ridges represent an exceptional window for the observation
of mantle processes at various scales. Mantle beneath the ridge
partially melts to form the oceanic crust. Mantle also sometimes
outcrops at slow- or ultra-slow-spreading ridges. We invite
contributions on the structure and geochemistry of mid-ocean ridges,
how such observations constrain the ridge dynamics, and on models of
mid-ocean ridge processes. Key issues to be addressed are : 1) What are
the respective roles of spreading rate, hydrothermal cooling, or mantle
temperature and geochemistry in the morphology and dynamics of the
ridge ? 2) How is the mantle signature altered (or filtered ?) by the
other parameters acting at the ridge axis ? 3) Why are the geochemical
characteristics of mid-ocean ridge basalts so homogeneous ? The
objective of the session is to compare and review observables and
models, to better understand ridge processes and mantle dynamics.
Preliminary List of Solicited Speakers
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