Geochemical Constraints on Potential UOC Chondrule Genesis by Hypervelocity Impact Vapor Plumes and Likely Precursor Sources

Sheikh D., Humayun M.

52nd Lunar and Planetary Science Conference (2021), Abstract #1279


“Most UOC chondrules analyzed exhibit Ce, and Eu anomalies, implying a chondrule forming process that began oxidized but went reducing, consistent with an impact scenario within nebular gas. Most UOC chondrules formed from undifferentiated precursors.”