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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
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Search for nucleic acid bases in carbonaceous chondrites from Antarctica

Akira Shimoyama, Setsu Hagishita, Kaoru Harada
Geochemical Journal, Vol. 24, No. 5, P. 343-348, 1990

ABSTRACT

Four CM2 chondrites from Antarctica were analyzed for nucleic acid bases. The Yamato-74662 and Yamato-791198 chondrites gave positive evidence for the presence of guanine, tentative evidence for xanthine, and possibly hypoxanthine. Their individual abundances were in the range of 420 to 30 ng/g in the two chondrites, while no pyrimidines were found. No purines and pyrimidines were found in the Yamato-793321 and Belgica-7904 chondrites.

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