Microinclusion-rich vesicular olivine in the Karoonda CK4 chondrite: Transmission electron microscopy

Journal of Mineralogical and Petrological Sciences

Volumn 102, Issue 6, 2008, Pages 346-351

  Ohnishi, Ichiro ^a   Tomeoka, Kazushige ^a   Ishizaki, Noriko ^a  

^a KOBE UNIVERSITY   (Japan)

Author keywords

Carbonaceous chondrites; CK chondrites; Shock melting; Shock metamorphism; Silicate darkening; Thermal metamorphism; Vesicular olivine

Indexed keywords

EID: 39449124136     PISSN: 13456296     EISSN: 13493825     Source Type: Journal    
DOI: 10.2465/jmps.070323     Document Type: Article

References (13)

1. Ashworth, JR. (1985) transmission electron microscopy of L-group chondrites, 1. Natural shock effects. Earth and Planetary Science Letters, 73, 17-32.
2. Britt. D.T. and Pieters, C.M. (1991) Black ordinary chondrites: An analysis of abundance and fall frequency. Meteorities, 26, 279-285.
3. Dodd, R.T. (1981) Meteorites-A Petrologic-Chemical Synthesis. pp. 368, Cambridge University Press, New York, USA.
4. Heymanp, D. (1967) On. the origin of hypersthene chondrites: Ages and shock effects of black chondrites. Icarus, 6, 189-221.
5. Kallemeyn, G.W, Rubin, A.E. and Wasson, J.T. (1991) The compositional classification of chondrites: V. The Karoonda (CK) group of carbonaceous chondrites. Geochimica et Cosmochimica Acta, 55, 881-892.
6. Nakamuta, Y., Nakamura, T. and Nakamura, N. (2006) Structural state of plagioclase from the Kobe CK chondrite: Implications for the thermal history of the CK parent body. Journal of Mineralogical and Petrological Sciences, 101, 308-318.
7. Rubin, A.E. (1992) A shock-metamorphic model for silicate darkening and compositionally variable plagioclase in CK and ordinary chondrites. Geochimica et Cosmochimica Acta, 56, 1705-1714.
8. Scott, E.R.D. and Taylor, G.J. (1985) Petrology of types 4-6 carbonaceous chondrites. Proceedings of 15th Lunar and Planetary Science Conference, Lunar and Planetary Institute, Houston, USA, C699-C709.
9. Scott, E.R.D., Keil, K. and Stöffler, D. (1992) Shock metamorphism of carbonaceous chondrites. Geochimica et Cosmochimica Acta, 56, 4281-4293.
10. Stöffler, D., Keil, K. and Scott, E.R.D. (1991) Shock metamorphism of ordinary chondrites. Geochimica et Cosmochimica Acta, 55, 3845-3867.
11. Tomeoka, K., Ohnishi, I. and Nakamura, N. (2001) Silicate darkening in the Kobe CK chondrite: Evidence for shock metamorphism at high temperature. Meteoritics & Planetary Science, 36, 1535-1545.
12. Tomeoka, K., Kojima, T., Ohnishi, I., Ishii, Y. and Nakamura, N. (2005) The Kobe CK carbonaceous chondritc: petrography, mineralogy and metamorphism. Journal of Mineralogical and Petrological Sciences, 100, 116-125.
13. 2 inclusions in xenolith olivine: A TEM study. American Mineralogist, 85, 1390-1396.