ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] IN sedimentary rocks the presence of fossil species of groups of life now characteristic of exclusively marine environments, such as brachiopods, cephalopods and certain families of lamellibranchs, indicate past marine conditions. Furthermore we have good reason, at least by Carboniferous times, to ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/209177a0