Endemic isotopic anomalies in titanium
Abstract
Abundances of the titanium isotopes were determined using a new high-precision technique that shows terrestrial, lunar, and bulk meteorite samples to be indistinguishable. Ca-Al-Ti-rich inclusions in the Allende meteorite are found to contain Ti of widely varying isotopic composition reflecting the presence of at least three nucleosynthetic components. The anomalies in Ti appear to be relatively widespread and, when correlated with Ca data, provide a clue to nucleosynthesis in the neighborhood of the iron peak and to the late-stage nucleosynthetic processes which immediately preceded formation of the solar nebula.
- Publication:
-
The Astrophysical Journal
- Pub Date:
- August 1980
- DOI:
- 10.1086/183326
- Bibcode:
- 1980ApJ...240L..73N
- Keywords:
-
- Abundance;
- Carbonaceous Chondrites;
- Meteoritic Composition;
- Nuclear Fusion;
- Titanium Isotopes;
- Isotopic Enrichment;
- Solar System;
- Lunar and Planetary Exploration