Primitive FeNi metal grains in CH carbonaceous chondrites formed by condensation from a gas of solar composition

Journal of Geophysical Research: Planets

Volumn 104, Issue E9, 1999, Pages 22053-22059

  Meibom, Anders ^a   Petaev, Michail I ^b   Krot, Alexander N ^a   Wood, John A ^b   Keil, Klaus ^a,c  

^a UNIVERSITY OF HAWAII   (United States)

^b HARVARD SMITHSONIAN CENTER FOR ASTROPHYSICS   (United States)

^c Hawai'i Center for Volcanology   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CARBONACEOUS CHONDRITE; IRON; NICKEL;

EID: 0006282690     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/1999JE001052     Document Type: Article

References (45)

1. Anders, E., and N. Grevesse, Abundances of the elements: Meteoritic and solar, Geochim. Cosmochim. Acta, 53, 197-214, 1989.
2. Brearley, A. J., Matrix and fine-grained rims in the unequilibrated CO3 chondrite, ALH77307: Origins and evidence for diverse, primitive nebular dust components, Geochim. Cosmochim. Acta, 57, 1521-1550, 1993.
3. Connolly, H. C., and S. G. Love, The formation of chondrules: Petrologic tests of the shock wave model, Science, 280, 62-67, 1998.
4. Davis, A. M., and G. J. MacPherson, Thermal processing in the solar nebula: Constraints from refractory inclusions, in Chondrules and the Protoplanetary Disk, edited by R. E. Hewins, R. H. Jones, and E.R.D. Scott, pp. 71-77, Cambridge Univ. Press, New York, 1996.
5. Geiger, T., and A. Bischoff, Formation of opaque minerals in CK chondrites, Planet. Space Sci., 43, 485-498, 1995.
6. Grossman, J. N., A. E. Rubin, and G. J. MacPherson, ALH85085: A unique volatile-poor carbonaceous chondrite with possible implications for nebula fractionation processes, Earth. Planet. Sci. Lett., 91, 33-54, 1988.
7. Grossman, L., and E. Olsen, Origin of the high-temperature fraction of C2 chondrites, Geochim. Cosmochim. Acta, 38, 173-187, 1974.
8. Grossman, L., E. Olsen, and J. M. Lattimer, Silicon in carbonaceous chondrite metal: Relic of high-temperature condensation, Science, 206, 449-451, 1979.
9. Guillermet, A. F., Critical evaluation of the thermodynamic properties of the iron-cobalt system, High Temp. High Pressures, 19, 477-499, 1987.
10. Hsieh, K. C., K. C. Vlach, and Y. A. Chang, The Fe-Ni-S system. I. Thermodynamic analysis of the phase equilibria and calculation of the phase diagram from 1173 to 1623 K, High Temp. Sci., 23, 17-38, 1987.
11. Kallemeyn, G.W., A. E. Rubin, and J. T. Wasson, The compositional classification of chondrites: VII. The R chondrite group, Geochim. Cosmochim. Acta, 60, 2243-2256, 1996.
12. Keil, K., Mineralogy and chemical relationships among enstatite chondrite, J. Geophys. Res., 73(22), 6945-6976, 1968.
13. Kelly, W. R., and J. W. Larimer, Chemical fractionation in meteorites - VIII. Iron meteorites and the cosmochemical history of the metal phase, Geochim. Cosmochim. Acta, 41, 93-111, 1977.
14. Kong, P., H. Palme, M. Ebihara, and G. Kurat, Distribution of moderately volatile elements in Renazzo and other CR chondrites, Meteorit. Planet. Sci., 33, A85-A86, 1998.
15. Krot, A. N., E. R. D. Scott, and M. E. Zolensky, Mineralogical and chemical modification of components in CV3 chondrites: Nebular or asteroidal processing?, Meteoritics, 30, 748-775, 1995.
16. Lee, M. S., A. E. Rubin, and J. T. Wasson, Origin of metallic Fe-Ni in Renazzo and related chondrites, Geochim. Cosmochim. Acta, 56, 2521-2533, 1992.
17. Lofgren, G. E., A dynamic crystallization model for chondrule melts, in Chondrules and the Protoplanetary Disk, edited by R. E. Hewins, R. H. Jones, and E. R. D. Scott, pp. 187-196, Cambridge Univ. Press, New York, 1996.
18. MacPherson, G. J., D. A. Wark, and J. T. Armstrong, Primitive material surviving in chondrites: Refractory inclusions, in Meteorites and the Early Solar System, edited by J. F. Kerridge and M. S. Matthews, pp. 746-807, Univ. of Ariz. Press, Tucson, 1988.
19. McSween, H. Y., Carbonaceous chondrites of the Ornans type: A metamorphic sequence, Geochim. Cosmochim. Acta, 41, 477-491, 1977.
20. McSween, H. Y., and T. L. Labotka, Oxidation during metamorphism of the ordinary chondrites, Geochim. Cosmochim. Acta, 57, 1105-1114, 1993.
21. McSween, H. Y., D. W. G. Sears, and R. Dodd, Thermal Metamorphism, in Meteorites and the Early Solar System, edited by J. F. Kerridge and M. S. Matthews, pp. 102-113, Univ. of Ariz. Press, Tucson, 1988.
22. Meibom, A., et al., Metal condensates in CH and Bencubbin-like chondrites: Evidence for localized nebula heating events and variations in gas composition (abstract), Meteorit. Planet. Sci., in press, 1999.
23. Newsom, H. E., and M. J. Drake, The origin of metal clasts in the Bencubbin meteoritic breccia, Geochim. Cosmochim. Acta, 43, 689-707, 1979.
24. Normanton, A. S., R. H. Moore, and B. B. Argent, A calorimetric and mass-spectrometric study of solid iron-chromium alloys, Metal Sci., 10, 207-213, 1976.
25. Petaev, M. I., and J. A. Wood, The condensation with partial isolation (CWPI) model of condensation in the solar nebula, Meteorit. Planet. Sci., 33, 1123-1137, 1998a.
26. Petaev, M. I., and J. A. Wood, Mineral equilibrium in fractionated nebular systems. II. A new code embrasing 18 elements, Lunar Planet. Sci. Conf., [CD-ROM], 29, abstract 1474, 1998b.
27. Petaev, M. I., A. Meibom, J. A. Wood, A. N. Krot, and K. Keil, The condensation origin of some metal in CH chondrites: A thermodynamic model, Lunar Planet. Sci. Conf,. [CD-ROM], 30, abstract 1613, 1999.
28. Romig, A. D., and J. I. Goldstein, Determination of the Fe-Ni and Fe-Ni-P Phase Diagrams at Low Temperatures (700 to 300°C), Metall. Trans., 11A, 1151-1159, 1980.
29. Rubin, A. E., Kamacite and olivine in ordinary chondrites: Intergroup and intragroup relationships, Geochim. Cosmochim. Acta, 54, 1217-1232, 1990.
30. Rubin, A. E., and A. N. Krot, Multiple heating of chondrules, in Chondrules and the Protoplanetary Disk, edited by R. E. Hewins, R. H. Jones, and E. R. D. Scott, pp. 173-180, Cambridge Univ. Press, New York, 1996.
31. Sakao, H., and J. F. Elliott, Thermodynamics of dilute bcc Fe-Si alloys, Metall. Trans., 6A, 1849-1851, 1998.
32. Scott, E. R. D., A new kind of primitive chondrite, Allan Hills 85085, Earth. Planet. Sci. Lett., 91, 1-18, 1988.
33. Scott, E. R. D., K. Keil, and D. Stöffler, Shock metamorphism of carbonaceous chondrites, Geochim. Cosmochim. Acta, 56, 4281-4293, 1992.
34. Stöffler, D., K. Keil, and E. R. D. Scott, Shock metamorphism of ordinary chondrites, Geochim. Cosmochim. Acta, 55, 3845-3867, 1991.
35. Wai, C. M., and J. T. Wasson, Nebular condensation of moderately volatile elements and their abundances in ordinary chondrites, Earth. Planet. Sci. Lett., 36, 1-13, 1977.
36. Wasson, J. T., Meteorites - Their Record of Early Solar-System History, 267 pp., W. H. Freeman, New York, 1985.
37. Weisberg, M. K., and M. Prinz, Zoned metal in the CR clan chondrites, Proc. NIPR Symp. Antarct. Meteorites, 24, 187-189, 1999.
38. Weisberg, M. K., M. Prinz, and C. E. Nehru, Petrology of ALH85085: A chondrite with unique characteristics, Earth. Planet. Sci. Lett., 91, 19-32, 1988.
39. Weisberg, M. K., M. Prinz, R. N. Clayton, and T. K. Mayeda, The CR (Renazzo-type) carbonaceous chondrite group and its implications, Geochim. Cosmochim. Acta, 57, 1567-1586, 1993.
40. Weisberg, M. K., M. Prinz, R. N. Clayton, T. K. Mayeda, N. Sugiura, S. Zashu, and M. Ebihara, QUE 94411 and the origin of Bencubbinites, Lunar Planet. Sci. Conf., [CD-ROM], 30, abstract 1416, 1999.
41. Zanda, B., Inclusions in the metal of ALH85085: New clues to a condensation origin, Lunar Planet. Sci. Conf., 23, 1569-1570, 1992.
42. Zanda, B., R. H. Hewins, and M. Bourot-Denise, Metal precursors and reduction in Renazzo chondrules, Meteoritics, 28, 466-467, 1993.
43. Zanda, B., M. Bourot-Denise, C. Perron, and R. H. Hewins, Origin and metamorphic redistribution of silicon, chromium, and phosphorus in the metal of chondrites, Science, 265, 1846-1849, 1994.
44. Zhang, J., D. B. Williams, and J. I. Goldstein, The microstructure and formation of duplex and black plessite in iron meteorites, Geochim. Cosmochim. Acta, 57, 3725-3735, 1993.
45. Zolensky, M., and H. Y. McSween, Aqueous alteration, in Meteorites and the Early Solar System, edited by J. F. Kerridge and M. S. Matthews, pp. 114-143, Univ. of Ariz. Press, Tucson, 1988.