Age of Allan Hills 82102, a meteorite found inside the ice

Details Age of Allan Hills 82102, a meteorite found inside the ice Age of Allan Hills 82102, a meteorite found inside the ice

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989natur.340..550n&link_type=abstract

Nature (ISSN 0028-0836), vol. 340, Aug. 17, 1989, p. 550-552. Research supported by NASA, NSF, SNSF, and Paul Scherrer Institute

Physics

7

Antarctic Regions, Glaciology, Meteorites, Radioactive Age Determination, Chondrites, Cosmochemistry, Glacial Drift, Radioactive Isotopes, Meteorites, Antarctic Meteorites, Alh 82102, Alh Meteorites, Radionuclides, Terrestrial Age, Ice, Age, Maps, Cosmogenic Elements, Samples, Meteorite, Samples, Terrestrial, Berylium 10, Concentrations, Dating Techniques, H5 Chondrites, Laboratory Studies, Procedure, Chlorine 36

Scientific paper

The terrestrial age of a meteorite that was recovered from below the surface of Antarctic ice is reported, and it is argued that this represents a measurement of the age of the ice itself. The cosmogenic radionuclides Be-10, C-14, Al-26, Cl-36, and Mn-53 are measured in the meteorite and Be-10 and Cl-36 in the ice. A terrestrial age of 11,000 yr is obtained for the meteorite, which suggests that the snow accumulation area where it fell was only a few tens of km away.

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