182W and 187Re-187Os systematics of iron meteorites: Chronology for melting, differentiation, and crystallization in asteroids

Geochimica et Cosmochimica Acta

Volumn 62, Issue 3, 1998, Pages 545-554

  Horan, M F ^a,b   Smoliar, M I ^a   Walker, R J ^a  

^a Bldg 142   (United States)

^b GEOPHYSICAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ASTEROID; IRON METEORITE; ISOTOPIC ANALYSIS;

EID: 0031875089     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0016-7037(97)00368-2     Document Type: Article

References (33)

1. Allègre C. J., Manhès G., and Göpel C. (1995) The age of the Earth. Geochim. Cosmochim. Acta 59, 1445-1456.
2. Balhaus C. and Ellis D. J. (1996) Mobility of core melts during Earth's accretion. Earth Planet Sci. Lett. 143, 137-145.
3. 107Pd in the early solar system and implications for planetary evolution. In Earth Processes: Reading the Isotopic Code (ed. S. Hart and A. Basu); Geophys. Monogr. 95, 1-20.
4. Choi B.-G., Ouyang X., and Wasson J. T. (1995) Classification and origin of IAB and IIICD iron meteorites. Geochim. Cosmochim. Acta 59, 593-612.
5. Haack H., Scott E. R. D, Love S. G., Brearley A. J., and McCoy T. J. (1996) Thermal histories of IVA stony-iron meteorites: Evidence for asteroid fragmentation and reaccretion. Geochim. Cosmochim. Acta 60, 3103-3113.
6. 182W: New cosmochronometric constraints on terrestrial accretion, core formation, the astrophysical site of the r-process and the origin of the solar system. XXII Lunar Planet. Sci. Conf. Abstr. XXII, 515-516 (abstr.).
7. 182Hf in the early solar system and constraints on the timescale of terrestrial accretion and core formation. Geochim. Cosmochim. Acta 60, 1131-1153.
8. 53Mn. Lunar Planet Sci. Abstr. XXIII, 565-66 (abstr.).
9. Kelly W. R. and Larimer J. W. (1977) Chemical fractionations in meteorites: VIII. Iron Meteorites and the cosmochemical history of the metal phase. Geochim. Cosmochim. Acta 41, 93-111.
10. Kracher A. (1985) The evolution of partially differentiated planetesimals: Evidence from iron meteorite groups IAB and IIICD. Proc. 15th Lunar Planet. Sci. Conf., C689-698.
11. Kraus K. A., Nelson F., and Moore G. E. (1955) Anion exchange studies. XVII. Molybdenum (VI), tungsten (VI), and uranium (VI) in HCl and HCl-HF solutions. J. Amer. Chem. Soc. 77, 3972-3977.
12. Lee D.-C. and Halliday A. N. (1996) Hf-W isotopic evidence for rapid accretion and differentiation in the early solar system. Science 274, 1876-1879.
13. Lee D.-C. and Halliday A. N. (1997) Core formation on Mars and differentiated asteroids. Nature 388, 854-857.
14. Mahnes G., Göpel C., and Allegre C. J. (1988) Systematique U-Pb dans les inclusions refractaires d'Allende: Le plus vieux materiau solaire. C.R. ATP Planetol. , 323-327.
15. Malvin D. J. (1988) Assimilation-fractional crystallization modelling of magmatic iron meteorites. Lunar Planet. Sci. XIX, 720-721 (abstr.).
16. Morgan J. W., Horan M. F., Walker R. J., and Grossman J. N. (1995) Rhenium-osmium concentration and isotope systematics in group IIAB iron meteorites. Geochim. Cosmochim. Acta 59, 2331-2344.
17. Nier A. O. (1950) A redetermination of the relative abundances of the isotopes of carbon, nitrogen, oxygen, argon, and potassium. Phys. Rev. 77, 789-793.
18. 182Hf chronometer fro the early solar system. Nature 304, 515-517.
19. Palme H. and Rammensee W. (1981) The significance of tungsten in planetary differentiation processes: Evidence from new data on eucrites. Proc. Lunar Planet. Sci. Conf. 12, 949-964.
20. Pernicka A. E. and Wasson J. T. (1987) Palladium, rhenium, osmium, platinum, and gold in iron meteorites. Geochim. Cosmochim. Acta 51, 1717-1726.
21. Rambaldi E. R. and Cendales M. (1977) Tungsten in ordinary chondrites. Earth Planet. Sci. Lett. 36, 372-380.
22. Rasmussen K. L., Malvin D. J., Buchwald V. F., and Wasson J. T Haack H., and McCoy T. (1996) Core crystallization and silicate-metal mixing in the parent bodies of IVA iron and stony-iron meteorites. Geochim. Cosmochim. Acta 60, 1615-1631.
23. Shen J. J., Papanastassiou D. A., and Wasserburg G. J. (1996) Precise Re-Os determination and systematics of iron meteorites. Geochim. Cosmochim. Acta 60, 2887-2900.
24. Smoliar M. I., Walker R. J., and Morgan J. W. (1996) Re-Os ages of Group IIA, IIIA, IVA, and IVB iron meteorites. Science 271, 1099-1102.
25. Smoliar M. I., Walker R. J., and Morgan J. W. (1997) Re-Os isotopic constraints on the crystallization history of IIAB iron meteorites. Lunar. Planet Sci. Conf. Abstr. XXVIII,1341-1342 (abstr.).
26. Stevenson D. J. (1990) Fluid dynamics of core formation. In Origin of the Earth (ed. H. E. Newson and J. H. Jones), pp. 231-249. Oxford Univ. Press.
27. Stewart B., Papanastassiou D. A., and Wasserburg G. J. (1996) Sm-Nd systematics of a silicate inclusion in the Caddo IAB iron meteorite. Earth Panet. Sci. Lett. 143, 1-12.
28. Taylor G. J. (1992) Core formation in asteroids. J. Geophys. Res. 97, 14717-14726.
29. Völkening J., Köppe M., and Heumann K. (1991) Tungsten isotope ratio determination by negative thermal ionization mass spectrometry. Intl. J Mass Spectr. Ion Proc. 107, 361-368.
30. Walter M. and Thibault Y. (1995) Partitioning of tungsten and molybdenum between metallic liquid and silicate melt. Science 270, 1186-1188.
31. Wasson J. T., Quyang X., Wang J., and Jerde E. (1989) The chemical classification of iron meteorites. XI. Multi-element studies of thirty-eight new irons and the high abundance of ungrouped irons from Antarctica. Geochim. Cosmochim. Acta 53, 735.
32. Wasson J. T. (1970) The chemical classification of iron meteorites: IV. Iron with germanium concentrations greater than 190 ppm and other meteorites associated with group 1. Icarus 12, 407-423.
33. 182. Phys. Rev. 123, 1354-1355.