ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] SHACKLETON AND OPDYKE1 conclude, from oxygen isotopic analyses of core V28-179, that no large ice sheets accumulated in the Northern Hemisphere until about 3.2Myr ago, shortly before the Mammoth event of the Gauss normal epoch. The core extends down into the upper Gilbert reversed epoch, and the ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/274926C0
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