The Organic Content of the Tagish Lake Meteorite

Details The Organic Content of the Tagish Lake Meteorite The Organic Content of the Tagish Lake Meteorite

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001sci...293.2236p&link_type=abstract

Science, Volume 293, Issue 5538, pp. 2236-2239 (2001).

Computer Science

65

Scientific paper

The Tagish Lake meteorite fell last year on a frozen lake in Canada and may provide the most pristine material of its kind. Analyses have now shown this carbonaceous chondrite to contain a suite of soluble organic compounds (~100 parts per million) that includes mono- and dicarboxylic acids, dicarboximides, pyridine carboxylic acids, a sulfonic acid, and both aliphatic and aromatic hydrocarbons. The insoluble carbon exhibits exclusive aromatic character, deuterium enrichment, and fullerenes containing ``planetary'' helium and argon. The findings provide insight into an outcome of early solar chemical evolution that differs from any seen so far in meteorites.

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