Physics
Scientific paper
May 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pepi..107..285k&link_type=abstract
Physics of the Earth and Planetary Interiors, Volume 107, Issue 4, p. 285-306.
Physics
27
Scientific paper
Thermodynamic modeling of phase relations and physical properties of multicomponent mineral systems was used to develop a method for solving the inverse problem of determining the bulk composition, density and temperature distribution in the lunar mantle, and radius of a core from the totality of geophysical evidence (seismic velocities, moment of inertia, and mass of the Moon). A derived self-consistent model of the chemical composition and the internal structure of the Moon may be considered as a preliminary geochemical-geophysical reference model and may be used as a significant constraint for the constitution of the Moon. The geophysically admissible ranges of the chemical compositions in various zones of the lunar mantle were determined within the system CaO-FeO-MgO-Al2O3-SiO2. It has been found that the isochemical models fail to explain the topology of the seismic structure; the lunar mantle is chemically stratified. Compositional models of the zoned Moon are used to estimate the bulk composition of the silicate portion of the Moon (mantle+crust), wt.%: 4
Kronrod Victor A.
Kuskov Oleg L.
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