Mathematics – Logic
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002usnc.conf...29k&link_type=abstract
Unmixing the SNCs: Chemical, Isotopic, and Petrologic Components of the Martian Meteorites, p. 29-30
Mathematics
Logic
Mars Surface, Planetary Geology, Planetary Mantles, Shergottites, Mars Volcanoes, Melting, Convection, Radioactive Isotopes, Magma, Mars Craters, Abundance, Geochronology
Scientific paper
The shergottites are basaltic meteorites from Mars, many of which have igneous crystallization ages of about 180 million years ago. The observed density of small impact craters in MOC images of Olympus Mons and Elysium Planitia indicates that some volcanic flows in these regions are just 10 to 30 million years old. The existence of young volcanism on Mars implies that adiabatic decompression melting and hence mantle convection has remained an important process on Mars to the present day. Numerical simulations of mantle convection and magma production set important constraints on the current properties of the mantle of Mars, particularly the minimum abundance of radioactive elements that has been retained in the mantle.
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