Mathematics – Logic
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001sosyr..35..198k&link_type=abstract
Solar System Research, v. 35, Issue 3, p. 198-208 (2001).
Mathematics
Logic
2
Scientific paper
A geologically admissible range for the density of Io's mantle, its chemical and mineral compositions in the Na_2O-TiO_2-CaO-FeO-MgO-Al_2O_3-SiO_2system, and the size of an Fe-FeS core are determined by mathematical simulation based on the fitting of the calculated mass and moment of inertia of Io to the experimental data. It is demonstrated that the bulk chemical composition of Io (crust + mantle + core) most closely resembles the composition of ordinary L and LL chondrites. The densities of mineral assemblages in the mantle and the iron concentration in the core, calculated on the basis of the L- and LL-chondritic models, meet the geophysical constraints on the mass and the moment of inertia of Io. The core radius is estimated to be 590-640 km for the Fe core (8-10% of Io's mass) and 820-890 km for the Fe-FeS eutectic core (13.5-17%).
Kronrod Victor A.
Kuskov Oleg L.
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