ISOTOPE EFFECT AND RARE GAS FREQUENCY IN STONE METEORITES AND UNDER THE EARTH (in German)
Journal Article
·
· Zeitschrift fuer Naturforschung (West Germany) Divided into Z. Nautrforsch., A, and Z. Naturforsch., B: Anorg. Chem., Org. Chem., Biochem., Biophys.,
OSTI ID:4790135
The rare gas content of 19 various stone meteorites was investigated mainly for the abundance of the heavier components. Nine normal chondrites were selected, which indicated from the Ar/sup 36//Ar/sup 36/ ratio the presence of primordial rare gases. All of them contain primordial Kr and Xe as well as Xe/ sup 129/ excess. Their content is proportional to the ntent and increases in the sequencer normal chon, enstatite chondrites, and carbonaceous chondrites. Ar/sup 36/ content and increases in the sequence: normal chondrite, enstatite chondrites, and carbonaceous chondrites. The relative abundances of the rsre gases in the Staroe Pesjanoe and Kapoeta meteorites follow very closely the Suess- Urey abundance curve. This may indicate that their composition is very similar to that of an undifferentiated solar nebula. The isotopic variations of meteoritic and terresrial Ne and He can be explained by isotopedependent diffusion in solids under the assumptions that all matter contained the rare gases in solar composition previous to degassing and that Kr and Ar have been lost to a much smaller extent. A similar process may be recomponents. The Xe/ sup 129/ problem is discussed under these aspects (auth)
- Research Organization:
- Max-Planck-Institut fur Kernphysik, Heidelberg
- NSA Number:
- NSA-16-029586
- OSTI ID:
- 4790135
- Journal Information:
- Zeitschrift fuer Naturforschung (West Germany) Divided into Z. Nautrforsch., A, and Z. Naturforsch., B: Anorg. Chem., Org. Chem., Biochem., Biophys.,, Journal Name: Zeitschrift fuer Naturforschung (West Germany) Divided into Z. Nautrforsch., A, and Z. Naturforsch., B: Anorg. Chem., Org. Chem., Biochem., Biophys., Vol. Vol: 17a; ISSN ZNTFA
- Country of Publication:
- Country unknown/Code not available
- Language:
- German
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