ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] The Barberton Mountain Land is one of the oldest surviving Archaean greenstone belts. Whole-rock Sm-Nd measurements have given the oldest ages: 3.540.03Gyr (ref. 1) and 3.56 0.24 Gyr (ref. 2). Other isotopic systems have given ages clustered about 3.3 Gyr (refs 3-8). The rocks of the greenstone ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/321055a0
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