The abundances of zirconium and hafnium in the solar system

Details The abundances of zirconium and hafnium in the solar system The abundances of zirconium and hafnium in the solar system

Mar 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976e%26psl..29..302g&link_type=abstract

Earth and Planetary Science Letters, vol. 29, no. 2, Mar. 1976, p. 302-308.

Computer Science

6

Abundance, Hafnium Isotopes, Meteoritic Composition, Neutron Activation Analysis, Solar System, Zirconium Isotopes, Alais Meteorite, Bruderheim Meteorite, Carbonaceous Chondrites, Gravimetry, Orgueil Meteorite, Refractory Metals

Scientific paper

The concentrations of zirconium and hafnium have been determined in the Orgueil, Murchison, Allende, Bruderheim, and Alais meteorites by radiochemical neutron activation analysis. The mean Zr/Hf weight ratio in the first four of these meteorites is 31.3 (plus or minus 2.2), indicating no major fractionation of Zr from Hf. Alais contains anomalously high amounts of many refractory lithophile elements, including Zr and Hf. Orgueil contains 3.1 ppm Zr and 0.11 ppm Hf, corresponding to 9.0 and 0.16 atoms, respectively, relative to 1 million Si atoms.

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