ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Hydrocarbons extractable from sedimentary rocks of Proterozoic age are often enriched in 13C relative to the associated insoluble organic debris4 6. When this same relationship, which reverses that found between extractable lipids and total biomass in living organisms, is observed in more recent ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/376053a0
Permalink