Other
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987georl..14.1127j&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 14, Nov. 1987, p. 1127-1130. DOE-supported research.
Other
4
Achondrites, Antarctic Regions, Mercury Isotopes, Anomalies, Concentration (Composition), Neutron Activation Analysis, Meteorites, Stony Meteorites, Achondrites, Isotopes, Samples, Meteorite, Anomalies, Mercury (Element), Antarctic Meteorites, Shergottites, Origin, Eeta79001, Eucrites, Alha78132, Eet Meteorites, Alh Meteorites, Source, Laboratory Studies, Isotopic Ratios, Shergotty, Alh 84009, Lew 85300, Eeta82600, Alh 84001, Alha77256, Pca 82502, Lew Meteorites, Procedure, Pca Meteorites, Aubrites, Howardi
Scientific paper
Antarctic shergottite EETA 79001 and polymict eucrite ALHA 78132 contain Hg which is anomalous in the Hg-196 or Hg-202 isotope. The anomalous fractions were extracted at 130 C during stepwise heating of neutron irradiated samples. The Hg-196/202 ratios differ by factors of 2-4 from the normal Hg ratio. This is an enormous effect. Approximately fifty other Hg fractions extracted at temperatures up to 1200 C from these and several other Antarctic basaltic achondrites and from the non-Antarctic fall, Shergotty, gave Hg-196/202 ratios within 20 percent of normal.
Jovanovic Stanka
Reed George W.
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