The evolution of global magma ocean with olivine flotation

Details The evolution of global magma ocean with olivine flotation The evolution of global magma ocean with olivine flotation

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991em%26p...54...59f&link_type=abstract

Earth, Moon, and Planets (ISSN 0167-9295), vol. 54, July 1991, p. 59-65.

Physics

1

Chemical Evolution, Earth Mantle, Heat Transfer, Magma, Ocean Temperature, Olivine, Earth Crust, Perovskites, Quenching (Cooling), Temperature Distribution, Thermal Diffusivity

Scientific paper

Consideration is given to the thermal evolution of a global magma ocean divided by a dunite septum into a shallow and a lower part with help of simple stability estimations and cooling time calculations. It is found that the septum is not stable against thermal convection so that this mechanism for a separated chemical evolution of the two mantle regions does not work.

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