ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Although the base of the Phanerozoic is an important date in the history of life and of the Earth's crust, few conclusive data have been available to estimate the numerical age of this boundary. Accurate and reliable modern data now exist, however, and those relevant modern radiometric dates ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/301021a0
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