The First Rock in the Solar System

Details The First Rock in the Solar System The First Rock in the Solar System

Oct 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002psrd.repte..66s&link_type=abstract

Planetary Science Research Discoveries

Computer Science

Meteorites, Chemistry, Carbonaceous Chondrite, Murchison

Scientific paper

My colleagues Andrew Davis, Lawrence Grossman (both of University of Chicago), Kevin McKeegan (UCLA), and I have discovered an exceptionally refractory inclusion in the Murchison carbonaceous chondrite. It is an aggregate of corundum, hibonite, and perovskite, the three minerals expected to condense first in a hot, cooling gas of solar composition. This inclusion was one of the first rocks to form in the solar system 4.5 billion years ago. It was preserved by being sequestered rapidly from the gas and enclosed in a growing carbonaceous chondrite asteroid.

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