Publication Date:
1994-07-29
Description:
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.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Becker, L -- Bada, J L -- Winans, R E -- Hunt, J E -- Bunch, T E -- French, B M -- New York, N.Y. -- Science. 1994 Jul 29;265(5172):642-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Scripps Institution of Oceanography, University of California at San Diego, La Jolla 92093-0212B, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11536660" target="_blank"〉PubMed〈/a〉
Keywords:
Carbon/*analysis
;
*Fullerenes
;
Geologic Sediments/*analysis/chemistry
;
*Meteoroids
;
Ontario
;
Silicates/analysis
;
Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
;
Sulfides/analysis
Print ISSN:
0036-8075
Electronic ISSN:
1095-9203
Topics:
Biology
,
Chemistry and Pharmacology
,
Computer Science
,
Medicine
,
Natural Sciences in General
,
Physics
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