Back to Search
Start Over
Ca isotopes in refractory inclusions
- Source :
- Geochimica et Cosmochimica Acta. 48
- Publication Year :
- 1984
- Publisher :
- United States: NASA Center for Aerospace Information (CASI), 1984.
-
Abstract
- The present absolute isotope abundance measurements of Ca in Ca-Al-rich inclusions from the Allende and Leoville meteorites show the extreme rarity of nonlinear isotope effects in Ca, in sharp contrast to the endemic effects in Ti. The Ca in the Ca-Al-rich inclusions shows mass-dependent isotope fractionation effects whose range is a factor of 20 wider than the range previously established for bulk meteorites and for terrestrial and lunar samples. A correlation is found between Ca and Mg isotope fractionation effects and inclusion type, and a possible correlation between isotope fractionation and rare earth element abundance patterns is discussed.
- Subjects :
- Lunar And Planetary Exploration
Subjects
Details
- Language :
- English
- ISSN :
- 00167037
- Volume :
- 48
- Database :
- NASA Technical Reports
- Journal :
- Geochimica et Cosmochimica Acta
- Notes :
- NGL-05-002-188, , NAG9-43
- Publication Type :
- Report
- Accession number :
- edsnas.19840057216
- Document Type :
- Report
- Full Text :
- https://doi.org/10.1016/0016-7037(84)90062-0