The organic content of the Tagish Lake meteorite

被引：199

作者：

Pizzarello, S ^{[1
]}

Huang, YS

Becker, L

Poreda, RJ

Nieman, RA

Cooper, G

Williams, M

机构：

[1] Arizona State Univ, Dept Chem & Biochem, Tempe, AZ 85287 USA

[2] Brown Univ, Dept Geol Sci, Providence, RI 02912 USA

[3] Univ Calif Santa Barbara, Inst Crustal Studies, Santa Barbara, CA 93106 USA

[4] Univ Rochester, Dept Earth & Environm Sci, Rochester, NY 14627 USA

[5] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA

来源：

SCIENCE | 2001年 / 293卷 / 5538期

关键词：

D O I：

10.1126/science.1062614

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The Tagish Lake meteorite felt last year on a frozen take 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 (similar to 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.

引用

页码：2236 / 2239

页数：4

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