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Science 23 February 2001:
Vol. 291. no. 5508, pp. 1530 - 1533
DOI: 10.1126/science.1057243


Abstract
Full Text 		Impact Event at the Permian-Triassic Boundary: Evidence from Extraterrestrial Noble Gases in Fullerenes
Luann Becker, Robert J. Poreda, Andrew G. Hunt, Theodore E. Bunch, and Michael Rampino

Supplementary Material

Supplemental Table 1. Step heating results for He, Ne, and Ar noble gases trapped in fullerenes isolated from the PTB sediments and the Murchison meteorite. Data for the PTB bulk sediments and the meteorite bulk acid residues are also reported.

To view this Supplemental Table 1 in Excel format click here

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Science. ISSN 0036-8075 (print), 1095-9203 (online)