FeO-rich silicates in the Sahara 97159 (EH3) enstatite chondrite: Mineralogy, oxygen isotopic compositions, and origin

Meteoritics and Planetary Science

Volumn 38, Issue 3, 2003, Pages 389-398

  Kimura, M ^a   Hiyagon, H ^b   Lin, Y ^c   Weisberg, M K ^d,e  

^a IBARAKI UNIVERSITY   (Japan)

^b UNIVERSITY OF TOKYO   (Japan)

^c GUANGZHOU INSTITUTE OF GEOCHEMISTRY   (China)

^d CITY UNIVERSITY OF NEW YORK   (United States)

^e DIVISION OF INVERTEBRATE ZOOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CHONDRITE; ENSTATITE; IRON OXIDE; MINERALOGY; OXYGEN ISOTOPE; PETROLOGY; SILICATE;

EID: 0042731681     PISSN: 10869379     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1945-5100.2003.tb00274.x     Document Type: Article

References (30)

1. Baedecker P. A. and Wasson J. T. 1975. Elemental fractionations among enstatite chondrites. Geochimica et Cosmochimica Acta 39:735-765.
2. Clayton R. N., Mayeda T. K., Goswami J. N., and Olsen E. J. 1991. Oxygen isotope studies of ordinary chondrites. Geochimica et Cosmochimica Acta 55:2317-2337.
3. Clayton R. N. 1993. Oxygen isotopes in meteorites. Annual Review of Earth and Planetary Science 21:115-149.
4. Clayton R. N. and Mayeda T. K. 1999. Oxygen isotope studies of carbonaceous chondrites. Geochimica et Cosmochimica Acta 63: 2089-2104.
5. Fagan T. J., Krot A. N., and Keil K. 1999. FeO-rich silicates in EH3 and EL3 chondrites: Evidence for variations in redox conditions in enstatite chondrite-forming region? (abstract #1523). 30th Lunar and Planetary Science Conference. CD-ROM.
6. Grossman J. N. 1998. The Meteoritical Bulletin. Meteoritics & Planetary Science 33:A221-A239.
7. Hsu W. and Crozaz G. 1998. Mineral chemistry and the origin of enstatite in unequilibrated enstatite chondrites. Geochimica et Cosmochimica Acta 62:1993-2004.
8. Hutson M. and Ruzicka A. 2000. A multi-step model for the origin of E3 (enstatite) chondrites. Meteoritics & Planetary Science 35: 601-608.
9. Ikeda Y. 1982. Petrology of the ALH 77003 chondrite (C3). Memoirs of the National Institute of Polar Research Special Issue 25:34-65.
10. Ikeda Y. 1988. Petrochemical study of the Yamato-691 enstatite chondrite (E3) II: Descriptions and mineral compositions of unusual silicate-inclusions. Proceedings of the NIPR Symposium on Antarctic Meteorites 1:14-37.
11. Ikeda Y. 1989. Petrochemical study of the Yamato-691 enstatite chondrite (E3) IV: Descriptions and mineral chemistry of opaque-mineral nodules. Proceedings of the NIPR Symposium on Antarctic Meteorites 2:109-146.
12. Jaoul O., Froidevaux C., Durham W. B., and Michaut M. 1980. Oxygen self-diffusion in forsterite: Implications for the high-temperature creep mechanism. Earth and Planetary Science Letters 47:391-397.
13. Keil K. 1968. Mineralogical and chemical relationships among enstatite chondrites. Journal of Geophysical Research 73:6945-6976.
14. Kimura M. and El Goresy A. 1988. Djerfisherite compositions in EH chondrites: A potential parameter to the geochemistry of the alkali elements (abstract). Meteoritics 23:279-280.
15. Kimura M. and Ikeda Y. 1995. Anhydrous alteration of Allende chondrules in the solar nebula II: Alkali-Ca exchange reactions and formation of nepheline, sodalite, and Ca-rich phases in chondrules. Proceedings of the NIPR Symposium on Antarctic Meteorites 8:123-138.
16. Kimura M. and Ikeda Y. 1997. Comparative study of anhydrous alteration of chondrules in reduced and oxidized CV chondrites. Antarctic Meteorite Research 10:191-202.
17. Kimura M. and Lin Y. 1999. Petrological and mineralogical study of enstatite chondrites with reference to their thermal histories. Antarctic Meteorite Research 12:1-18.
18. Kimura M., Lin Y., and Hiyagon H. 2000. Unusually abundant refractory inclusions and FeO-rich silicates in an EH3 chondrite, Sahara 97159 (abstract). Meteoritics & Planetary Science 35: A87.
19. Larimer J. W. and Bartholomay M. 1979. The role of carbon and oxygen in cosmic gases: Some applications to the chemistry and mineralogy of enstatite chondrites. Geochimica et Cosmochimica Acta 43:1455-1466.
20. Lin Y. 1991. Qingzhen enstatite chondrite (EH3): Petrology, mineral chemistry, and evolution (in Chinese with English abstract). Ph.D. thesis, The Institute of Geochemistry, Academia Sinica, Beijing, China.
21. Lusby D., Scott E. R. D., and Keil K. 1987. Ubiquitous high-FeO silicates in enstatite chondrites. Proceedings, 17th Lunar and Planetary Science Conference. Journal of Geophysical Research 92:E679-E695.
22. Misener D. J. 1974. Cation diffusion in olivine to 1400°C and 35 kbar. In Geochemical transport and kinetics, edited by Hofmann A. W., Giletti B. J., Yoder H. S., Jr., and Yund R. A. Washington DC: Carnegie Institute of Washington, pp. 117-129.
23. Newton J., Franchi I. A., and Pillinger C. T. 2000. The oxygen-isotope record in enstatite meteorites. Meteoritics & Planetary Science 35:689-698.
24. Perron C. and Bourot-Denise M. 2001. Oxygen isotopes in the Sahara 97096 EH3 chondrite (abstract #2187). 32nd Lunar and Planetary Science Conference. CD-ROM.
25. Rambaldi E. R., Rajan R. S., Wang D., and Housley R. M. 1983. Evidence for relict grains in chondrules of Qingzhen, an E3 type enstatite chondrite. Earth and Planetary Science Letters 66:11-24.
26. Rambaldi E. R., Housley R. M., and Rajan R. S. 1984. Occurrence of oxidized components in Qingzhen enstatite chondrite. Nature 311:138-140.
27. Tsuchiyama A., Fujita T., and Morimoto N. 1988. Fe-Mg heterogeneity in the low-Ca pyroxenes during metamorphism of the ordinary chondrites. Proceedings of the NIPR Symposium on Antarctic Meteorites 1:173-184.
28. Weisberg M. K., Prinz M., and Fogel R. A. 1994. The evolution of enstatite and chondrules in unequilibrated enstatite chondrites: Evidence from iron-rich pyroxene. Meteoritics 29:362-373.
29. Weisberg M. K. and Prinz M. 1998. Sahara 97096: A highly primitive EH3 chondrite with layered sulfide-metal-rich chondrules (abstract #1741). 29th Lunar and Planetary Science Conference. CD-ROM.
30. Zhang Y., Benoit P. H., and Sears D. W. G. 1995. The classification and complex thermal history of the enstatite chondrites. Journal of Geophysical Research 100:9417-9438.