ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Preliminary studies have now demonstrated the presence of minute amounts of carbohydrate as well as proteinaceous substances in bituminous sedimentary rocks ranging in age from Ordo vician to Tertiary. The reducing environment under which these sediments accumulated, coupled with the association ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/185234a0
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