In situ identification of a CAI candidate in 81P/Wild 2 cometary dust by confocal high resolution synchrotron X-ray fluorescence

Geochimica et Cosmochimica Acta

Volumn 73, Issue 18, 2009, Pages 5483-5492

  Schmitz, Sylvia ^a   Brenker, Frank E ^a   Schoonjans, Tom ^b   Vekemans, Bart ^b   Silversmit, Geert ^b   Vincze, Laszlo ^b   Burghammer, Manfred ^c   Riekel, Christian ^c  

^a GOETHE UNIVERSITY   (Germany)

^b GHENT UNIVERSITY   (Belgium)

^c EUROPEAN SYNCHROTRON RADIATION FACILITY   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ANORTHITE; CHEMICAL COMPOSITION; COMET; CONCENTRATION (COMPOSITION); IDENTIFICATION METHOD; INTERPLANETARY DUST; MASS TRANSPORT; SPATIAL RESOLUTION; X-RAY SPECTROSCOPY;

EID: 68149137757     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.gca.2009.06.008     Document Type: Article

References (31)

1. A'Hearn M.F.A. Whence Comets?. Science 314 (2006) 1708-1709
2. Amelin Y., Krot A.N., Hutcheon I.D., and Ulyanov A.A. Lead isotopic ages of chondrules and calcium-aluminium-rich inclusions. Science 297 (2002) 1678-1683
3. Beckett J.R., Simon S.B., and Stolper E. The partitioning of Na between melilite and liquid: part II. Applications to Type B inclusions from carbonaceous chondrites. Geochim. Cosmochim. Acta 64 (2000) 2519-2534
4. Brenker F.E., Vincze L., Vekemans B., Nasdala L., Stachel T., Vollmer C., Kersten M., Somogyi A., Adams F., Joswig W., and Harris J.W. Detection of a Ca-rich lithology in the Earth's deep (>300 km) convecting mantle. Earth Planet. Sci. Lett. 236 (2005) 579-587
5. Brownlee D., et al. Comet 81P/Wild 2 under a microscope. Science 314 (2006) 1711-1716
6. Flynn G.J., et al. Elemental compositions of comet 81P/Wild 2 samples collected by Stardust. Science 314 (2006) 1731-1735
7. Grossman L., and Clark Jr. S.P. High-temperature condensates in chondrites and environment in which they formed. Geochim. Cosmochim. Acta 37 (1973) 635-649
8. Grossman L., Ebel D., and Simon S.B. Formation of refractory inclusions by evaporation of condensate precursors. Geochim. Cosmochim. Acta 66 (2002) 145-161
9. Ishii H., Brennan S., Bradley J.P., Luening K., Ignatyev K., and Pianetta P. Recovering the elemental composition of comet Wild 2 dust in five Stardust impact tracks and terminal particles in aerogel. Meteoritics & Planet. Sci. 43 (2008) 215-231
10. Jochum K.P., et al. The preparation and preliminary characterization of eight geological MPI-DING reference glasses for in situ microanalysis. Geostandard Newslett. 24 (2000) 87-133
11. Kanngießer B., Malzer W., and Reiche I. A new 3D micro X-ray fluorescence analysis set-up - first archaeometric applications. NIB Phys. Res. B 211 (2003) 259-264
12. Lanzirotti A., Sutton S.R., Flynn G., Newville A., and Rao W. Chemical composition and heterogeneity of Wild 2 cometary particles determined by synchrotron X-ray. Meteoritics & Planet. Sci. 43 (2008) 187-213
13. Malzer W. 3D micro X-ray fluorescence analysis. Rigaku J. 23 (2006) 40-47
14. MacPherson G.J., and Davis A.M. A petrologic and ion microprobe study of a Vigarano Type B refractory inclusion: evolution by multiple stages of alteration and melting. Geochim. Cosmochim. Acta 57 (1993) 231-243
15. MacPherson G. J., Simon S. B., Davis A. M., Grossman L. and Krot A. N. (2005) Calcium-aluminium-rich inclusions: major unanswered questions. In Chondrites and the Protoplanetary Disk. ASP Conference Series, vol. 341 (eds. A. N. Krot, E. R. D. Scott and B. Reipurth). Astronomical Society of the Pacific, San Francisco, pp. 225-251.
16. McKeegan K.D., et al. Isotopic composition of cometary matter returned by Stardust. Science 314 (2006) 1724-1728
17. Pearson K. On lines and planes of closest fit to systems of points in space. Philoso. Mag. 2 (1901) 559-572
18. Rotundi A., Baratta G.A., Borg J., Brucato J.R., Busemann H., Colangeli L., D'Hendecourt L., Djouadi Z., Ferrini G., Franchi I.A., Fries M., Grossemy F., Keller L.P., Mennella V., Nakamura K., Nittler L.R., Palumbo M.E., Sandford S.A., Steele A., and Wopenka B. Combined micro-Raman, micro-infrared, and field emission scanning electron microscope analyses of comet 81P/Wild 2 particles collected by Stardust. Meteoritics & Planet. Sci. 43 (2008) 367-397
19. Sandford S.A., et al. Organics captured from comet 81P/Wild 2 by the stardust spacecraft. Science 314 (2006) 1720-1724
20. 3 pyroxene: a further high-temperature component of Comet Wild2. Astroph. J. Lett. 681 (2008) L105-L108
21. Schroer C.G., Kurapova O., Patommel J., Boye P., Feldkamp J., Lengeler B., Burghammer M., Riekel C., Vincze L., van der Hart A., and Küchler M. Hard X-ray nanoprobe based on refractive X-ray lenses. Appl. Phys. Lett. 87 (2005) 124103-1-124103-3
22. Sherman J. The theoretical derivation of fluorescence X-ray intensities from mixtures. Spectrochim. Acta 7 (1955) 283-306
23. Silversmit G., Vekemans B., Brenker F. E., Schmitz S., Burghammer M., Riekel C. and Vincze L. (2009) X-ray fluorescence nanotomography on cometary matter from Comet 81P/Wild2 returned by Stardust. Anal. Chem., in press. doi:10.1021/ac900507x.
24. Simon S.B., Joswiak D.J., Ishii H.A., Bradley J.P., Chi M., Grossman L., Aléon J., Brownlee D.E., Fallon S., Hutcheon I.D., Matrajt G., and McKeegan K.D. A Refractory Inclusion Returned by Stardust from Comet P81/Wild 2. Meteoritics & Planet. Sci. 43 (2008) 1861-1877
25. Solé V.A., Papillon E., Cotte M., Walter P., and Susini J. A multiplatform code for the analysis of energy-dispersive X-ray fluorescence spectra. Spectrochim. Acta B 62 (2007) 63-68
26. Tsou P., Brownlee D.E., Hörz F., Sandford S.A., and Zolensky M.E. Wild 2 and interstellar sample collection and Earth return. J. Geophys. Res. 108 E10 (2003) 8113 10.1029/2003JE002109
27. Vekemans B., Janssens K., Vincze L., Adams F., and Van Espen P. Comparison of several background compensation methods useful for evaluation of energy-dispersive X-ray-fluorescence. Spectrochim. Acta B 50 (1995) 149-169
28. Vekemans B., Janssens K., Vincze L., Aerts A., Adams F., and Hertogen J. Automated segmentation of mu-XRF image sets. X-ray Spectrom. 26 (1997) 333-346
29. Vincze L., Vekemans B., Brenker F.E., Falkenberg G., Rickers K., Somogyi A., Kersten M., and Adams F. Three-dimensional trace element analysis by confocal X-ray microfluorescence imaging. Anal. Chem. 76 (2004) 6786-6791
30. Westphal A.J., Snead C., Butterworth A., Graham G.A., Bradley J.P., Bajt S., Grant P.G., Bench G., Brennan S., and Pianetta P. Aerogel keystones: extraction of complete hypervelocity impact events from aerogel collectors. Meteoritics & Planet. Sci. 39 (2004) 1375-1386
31. Zolensky M.E., et al. Mineralogy and petrology of comet 81P/Wild 2 nucleus samples. Science 314 (2006) 1735-1739