I-Xe dating of chondrules from the Qingzhen unequilibrated enstatite chondrite

Details I-Xe dating of chondrules from the Qingzhen unequilibrated enstatite chondrite I-Xe dating of chondrules from the Qingzhen unequilibrated enstatite chondrite

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28...61a&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. .61.

Computer Science

2

Chondrule, Xenon, Iodine, Chondrites, Enstatite, Chronometers, Nebulae, Oxidation, Argon, Rubidium, Strontium

Scientific paper

It is shown that in Qingzhen, the I-Xe chronometer is decoupled from, and more stable than, both Ar-Ar and Rb-Sr chronometers, which were reset by unknown processes in the 1.4-2.8 Ga period. Because the range of I-Xe ages obtained are comparable to those observed in most unequilibrated ordinary chondrite chondrules, the enstatite chondrite region of the nebula was subject to the same processes at the same time as more oxidized regions of the nebula.

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