ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] There are large carbon isotope fractionations between oxidized and reduced carbon in sedimentary environments; the differences in 613C values between carbonate and organic carbon (A13C) in strata of most ages average between 25 and 30%〉 (refs 2, 3). For more or less constant carbon input to the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/325140a0
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