Magnesium isotopic fractionations in barred olivine chondrules from the Allende meteorite

Meteoritics and Planetary Science

Volumn 35, Issue 1, 2000, Pages 85-94

  Misawa, Keiji ^a,b,c   Fujita, Takashi ^d  

^a NATIONAL INSTITUTE OF POLAR RESEARCH   (Japan)

^b UNIVERSITY OF TOKYO   (Japan)

^c KOBE UNIVERSITY   (Japan)

^d KYOTO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CARBONACEOUS CHONDRITE; ISOTOPIC FRACTIONATION; MAGNESIUM; METEORITE; OLIVINE;

EID: 0034107059     PISSN: 10869379     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1945-5100.2000.tb01976.x     Document Type: Article

References (40)

1. ALEXANDER C. M. O'D., MOCK T. AND CARLSON R. (1998) Magnesium-isotopic fractionation in Tieschitz chondrules (abstract). Meteorit. Planet. Sci. 33 (Suppl.), A9.
2. BISCHOFF A. AND KEIL K. (1983) Ca-Al-rich chondrules and inclusions in ordinary chondrites. Nature 303, 588-592.
3. BISCHOFF A. AND KEIL K. (1984) Al-rich objects in ordinary chondrites: Related origin of carbonaceous and ordinary chondrites and their constituents. Geochim. Cosmochim. Acta 48, 693-709.
4. BISCHOFF A., KEIL K. AND STÖFFLER D. (1985) Perovskite-hibonite-spinel-bearing inclusions and Al-rich chondrules and fragments in enstatite chondrites. Chem. Erde 44, 97-106.
5. BUENING D. K. AND BUSECK P. R. (1973) Fe-Mg lattice diffusion in olivine. J. Geophys. Res. 78, 6852-6862.
6. CATANZARO E. J., MURPHY T. J., GARNEL E. L. AND SHIELDS W. R. (1966) Absolute isotopic abundance ratios and atomic weight of magnesium. J. Res. Natl. Bur. Stand 70a, 453-458.
7. CONNOLLY H. C., JR., JONES B. D. AND HEWINS R. H. (1998) The flash melting of chondrules: An experimental investigation into the melting history and physical nature of chondrule precursors. Geochim. Cosmochim. Acta 62, 2725-2735.
8. ESAT T. M. (1984) A 61 cm radius multi-collector mass spectrometer at the Australian National University. Nucl. Instrum. Methods Phys. Res. B5, 545-553.
9. ESAT T. M. AND TAYLOR S. R. (1984) FREE FUN with Mg in Allende Group II inclusions (abstract). Lunar Planet. Sci. 15, 254-255.
10. ESAT T. M. AND TAYLOR S. R. (1990) Mg isotopic composition of chondrules from the unequilibrated ordinary chondrite Semarkona (abstract). Lunar Planet. Sci. 21, 333-334.
11. 2+ ions in spinels with relevance to the process of maghemitization. Mineral. Mag. 43, 889-899.
12. GREENWOOD R. C., LEE M. R., HUTCHISON R. AND BARBER D. J. (1994) Formation and alteration of CAIs in Cold Bokkeveld (CM2). Geochim. Cosmochim. Acta 58, 1913-1935.
13. GROSSMAN J. N. AND WASSON J. T. (1985) The origin and history of the metal and sulfide components of chondrules. Geochim. Cosmochim. Acta 49, 925-939.
14. GROSSMAN J. N., RUBIN A. E., NAGAHARA H. AND KING E. A. (1988) Properties of chondrules. In Meteorites and the Early Solar System (eds. J. F. Kerridge and M. S. Matthews), pp. 619-659. Univ. Arizona Press, Tucson, Arizona, USA.
15. HEWINS R. H. (1988) Experimental studies of chondrules. In Meteorites and the Early Solar System (eds. J. F. Kerridge and M. S. Matthews), pp. 660-679. Univ. Arizona Press, Tucson, Arizona, USA.
16. 26Mg record of chondrules: Clues to nebular chronology (abstract). Lunar Planet. Sci. 26, 647-648.
17. 26Al in chondrites: Chondrule formation time scales (abstract). Lunar Planet. Sci. 25, 587-588.
18. KENNEDY A. K. AND HUTCHEON I. D. (1992) Chemical and isotopic constraints on the formation and crystallization of SA-1, a basaltic Allende plagioclase-olivine inclusion. Meteoritics 27, 539-554.
19. KINSEY A. E., ESAT T. M. AND TAYLOR S. R. (1988) Mg isotopic composition of chondrules from Bjurböle and Murchison meteorites (abstract). Lunar Planet. Sci. 19, 603-604.
20. KROT A. N., WEBER D., GRESHAKE A., ULYANOV A. A., MCKEEGAN K. D., HUTCHEON I., SAHIJPAL S. AND KEIL K. (1999) Relic Ca, Al-rich inclusions in chondrules from the carbonaceous chondrites Acfer 182 and Acfer 094 (abstract). Lunar Planet. Sci. 30, #1511, Lunar and Planetary Institute, Houston. Texas, USA (CD-ROM).
21. LEE T. AND PAPANASTASSIOU D. A. (1974) Mg isotopic anomalies in the Allende meteorite and correlation with O and Sr effects. Geophys. Res Lett. 1, 225-228.
22. LEE T., PAPANASTASSIOU D. A. AND WASSERBURG G. J. (1977) Mg and Ca isotopic study of individual microscopic crystals from the Allende meteorite by direct loading technique. Geochim. Cosmochim. Acta 41, 1473-1485.
23. LOFGREN G. E. AND LANIER A. B. (1990) Dynamic crystallization study of barred olivine chondrules. Geochim. Cosmochim. Acta 54, 3537-3551.
24. MCSWEEN H. Y., JR. (1977) Chemical and petrographic constraints on the origin of chondrules and inclusions in carbonaceous chondrites. Geochim. Cosmochim. Acta 41, 411-418.
25. MISAWA K. AND FUJITA T. (1994) A relict refractory inclusion in a ferromagnesian chondrule from the Allende meteorite. Nature 368, 723-726.
26. MISAWA K. AND NAKAMURA N. (1988a) Highly fractionated rare-earth elements in ferromagnesian chondrules from the Felix (CO3) meteorite. Nature 334, 47-50.
27. MISAWA K. AND NAKAMURA N. (1988b) Demonstration of REE fractionation among individual chondrules from the Allende (CV3) chondrite. Geochim. Cosmochim. Acta 52, 1669-1710.
28. MIYAMOTO M., MCKAY D. S., MCKAY G. A. AND DUKE M. B. (1986) Chemical zoning and homogenization of olivines in ordinary chondrites and implications for thermal histories of chondrules. J. Geophys. Res. 91, 12 804-12 816.
29. NIEMEYER S. (1988) Titanium isotopic anomalies in chondrules from carbonaceous chondrites. Geochim. Cosmochim. Acta 52, 309-318.
30. PAPANASTASSIOU D. A., BRIGHAM C. A. AND WASSERBURG G. J. (1984) Search for Mg isotopic signatures in Allende (abstract). Lunar Planet. Sci. 15, 629-630.
31. RUBIN A. E. AND WASSON J. T. (1987) Chondrules, matrix, and coarse-grained chondrule rims in the Allende meteorite: Origin, interrelationship and possible precursor components. Geochim Cosmochim Acta 51, 1923-1937.
32. 26Al in the solar nebula and constraints for nebula time scales. Science 273, 757-762.
33. 27Al in unequilibrated ordinary chondrites (abstract). Lunar Planet. Sci. 28, 1209-1210.
34. SHENG Y. J., HUTCHEON I. D. AND WASSERBURG G. J. (1991) Origin of plagioclase-olivine inclusions in carbonaceous chondrites. Geochim. Cosmochim. Acta 55, 581-599.
35. SHENG Y. J., WASSERBURG G. J. AND HUTCHEON I. D. (1992) Self-diffusion of magnesium in spinel and in equilibrium melts: Constraints on flash heating of silicates. Geochim. Cosmochim. Acta 56, 2535-2546.
36. SIMON S. B. AND HAGGERTY S. E. (1979) Petrography and olivine mineral chemistry of chondrules and inclusions in the Allende meteorite. Proc. Lunar Planet. Sci. Conf. 10th, 871-883.
37. SIMON S. B. AND HAGGERTY S. E. (1980) Bulk compositions of chondrules in the Allende meteorite. Proc. Lunar Planet. Sci. Conf. 11th, 871-883.
38. 53Cr systematics in the Piplia Kalan eucrite (abstract). Lunar Planet. Sci. 30, #1730, Lunar and Planetary Institute, Houston, Texas, USA (CD-ROM).
39. WARK D. A. (1987) Plagioclase-rich inclusions in carbonaceous chondrite meteorite: Liquid condensates? Geochim. Cosmochim. Acta 51, 221-242.
40. WEISBERG M. K. (1987) Barred olivine chondrules in ordinary chondrites. Proc. Lunar Planet. Sci. Conf. 17th, J. Geophys. Res. 92, E663-E678.