Computer Science
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..933n&link_type=abstract
Lunar and Planetary Science, volume 27, page 933
Computer Science
Melting: Degree Of, Melting: Partial, Potassium, Venus, Volcanism
Scientific paper
The abundance of potassium in the terrestrial planets is important for understanding interior heat production and thermal evolution as well as planetary outgassing and magmatism. Recent analyses of the impact crater population on Venus from Magellan radar images led to the hypothesis that the planet experienced nearly global volcanic resurfacing approximately 500 My ago and that volcanic activity after this event continued at a lesser, but appreciable, rate. The distinctive magmatic histories of Earth and Venus, despite their similarities in mass, solar distance, and presumably bulk composition, have been variously postulated to be the result of different styles of mantle convection on the two planets under the assumption that the heat production per mass, and in particular the K concentration, in Venus and Earth are approximately equal.
Namiki Noriuki
Solomon Stanley C.
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