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Science 29 July 1994:
Vol. 265. no. 5172, pp. 642 - 645
DOI: 10.1126/science.11536660
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Articles

Science, Vol 265, Issue 5172, 642-645
Copyright © 1994 by American Association for the Advancement of Science

articles

Fullerenes in the 1.85-billion-year-old Sudbury impact structure

L Becker, JL Bada, RE Winans, JE Hunt, TE Bunch, and BM French

Scripps Institution of Oceanography, University of California at San Diego, La Jolla 92093-0212B, USA.

Fullerenes (C60 and C70) have been identified by laser desorption, laser desorption post-ionization, and high-resolution electron-impact mass spectrometry in shock-produced breccias (Onaping Formation) of the Sudbury impact structure in Ontario, Canada. The C60 isotope is present at a level of a few parts per million. The fullerenes were likely synthesized within the impact plume from the carbon contained in the bolide. The oxidation of the fullerenes during the 1.85 billion years of exposure was apparently prevented by the presence of sulfur in the form of sulfide-silicate complexes associated with the fullerenes.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Physical and chemical evidence of the 1850 Ma Sudbury impact event in the Baraga Group, Michigan.
P. K. Pufahl, E. E. Hiatt, C. R. Stanley, J. R. Morrow, G. J. Nelson, and C. T. Edwards (2007)
Geology 35, 827-830
   Abstract »    Full Text »    PDF »
Testing for fullerenes in geologic materials: Oklo carbonaceous substances, Karelian shungites, Sudbury Black Tuff.
D. Mossman, G. Eigendorf, D. Tokaryk, F. Gauthier-Lafaye, K. D. Guckert, V. Melezhik, and C. E.G. Farrow (2003)
Geology 31, 255-258
   Abstract »    Full Text »    PDF »
Impact Event at the Permian-Triassic Boundary: Evidence from Extraterrestrial Noble Gases in Fullerenes.
L. Becker, R. J. Poreda, A. G. Hunt, T. E. Bunch, and M. Rampino (2001)
Science 291, 1530-1533
   Abstract »    Full Text »    PDF »
Organic Shielding of Greenhouse Gases on Early Earth.
S. L. Miller, J. R. Lyons;, and C. F. Chyba; (1998)
Science 279, 779
   Full Text »
Geochemistry of carbon in terrestrial impact processes.
I. Gilmour (1998)
Geological Society, London, Special Publications 140, 205-216
   Abstract »    PDF »
Origins of Fullerenes in Rocks.
T. W. Ebbesen, T. W. Ebbesen, H. Hiura, J. W. Hedenquist, C. E. J. de Ronde, A. Andersen, M. Often, and V. A. Melezhik (1995)
Science 268, 1634-1635
   PDF »


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