Other
Scientific paper
Feb 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985lpsc...15..613n&link_type=abstract
(Lunar and Planetary Institute, NASA, American Geophysical Union, et al., Lunar and Planetary Science Conference, 15th, Houston,
Other
5
Meteoritic Composition, Molybdenum, Neutron Activation Analysis, Chemical Fractionation, Igneous Rocks, Lanthanum, Melting, Metals, Silicates, Meteorites, Molybdenum, Eucrites, Parent Bodies, Cores, Composition, Metal, Stony Meteorites, Achondrites, Concentration, Techniques, Neutron Activation Analysis, Comparisons, Element Ratios, Lanthanum, Siderophiles, Depletion, Fractionation, Formation, Melting, Models, Segregation, Fractional Crystallization, Magma, Cobalt, Tungsten, Procedure, Refractory Elements,
Scientific paper
A modified metal-silicate extraction technique with neutron activation analysis has been used to determine Mo in a suite of eucrites. The concentrations of Mo in eucrites are found to be very low (15 to 70 ppb), similar to lunar samples. The eucrites have a mean Mo/La ratio of 0.0066, which is a factor of 570 lower then the CI chondrite ratio (3.75). The depletion of Mo and other siderophile elements in eucrites and their metal-to-silicate partition coefficients provide constraints on the metal content and the degree of partial melting during metal-silicate segregation in the eucrite parent body.
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