ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Existing methods of dating old ice are radiocarbon dating of trapped CO2 and uranium-series dating of dust embedded in the ice1. Radiocarbon dating is possible to only about 25,000 yr, presently requires about 5 kg of ice, and involves a significant probability of contamination for ice near the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/340550a0
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