The Role of Water in the Eclogite Phase Transition and Crustal Recycling on Venus

Details The Role of Water in the Eclogite Phase Transition and Crustal Recycling on Venus The Role of Water in the Eclogite Phase Transition and Crustal Recycling on Venus

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..533h&link_type=abstract

Lunar and Planetary Science, volume 27, page 533

Mathematics

Logic

Venus: Crustal Recycling, Venus: Eclogite, Venus: Water

Scientific paper

Basaltic crust on Venus has apparently been vertically accreted, and may be vertically recycled by the phase transformation to eclogite. The solid state reaction to eclogite requires the presence of water to permit the phase change to occur on geologically reasonable time scales. Field evidence from Earth indicates that high concentrations of water may be required to allow the reaction to proceed past the granulite stability field. The quantity of water required to yield a certain reaction rate is unknown. The crust of Venus is probably not devoid of water because dehydration of vertically accreted crust is inefficient. Eclogite likely played a role in Venus' crustal evolution, but may not be relevant to crustal dynamics at present.

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