Toward Consistent Chronology in the Early Solar System: High-Resolution 53Mn-53Cr Chronometry for Chondrules

Details Toward Consistent Chronology in the Early Solar System: High-Resolution 53Mn-53Cr Chronometry for Chondrules Toward Consistent Chronology in the Early Solar System: High-Resolution 53Mn-53Cr Chronometry for Chondrules

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007apj...662l..43y&link_type=abstract

The Astrophysical Journal, Volume 662, Issue 1, pp. L43-L46.

Astronomy and Astrophysics

Astronomy

11

Astrochemistry, Minor Planets, Asteroids, Nuclear Reactions, Nucleosynthesis, Abundances, Stars: Planetary Systems: Protoplanetary Disks, Solar System: Formation

Scientific paper

New high-precision 53Mn-53Cr data obtained for chondrules extracted from a primitive ordinary chondrite, Chainpur (LL3.4), define an initial 53Mn/55 Mn ratio of (5.1+/-1.6)×10-6. As a result of this downward revision from an earlier higher value of (9.4+/-1.7)×10-6 for the same meteorite (Nyquist et al. 2001), together with an assessment of recent literature, we show that a consistent chronology with other chronometers such as the 26Al-26Mg and 207Pb-206Pb systems emerges in the early solar system.

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