Absolute dating of the L-chondrite parent body breakup with high-precision U–Pb zircon geochronology from Ordovician limestone
Sign Up to like & getrecommendations! Published in 2020 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2020.116442
Abstract: Abstract The breakup of the L-chondrite parent body (LCPB) in the mid-Ordovician is the largest documented asteroid breakup event during the past 3 Gyr. It affected Earth by a dramatic increase in the flux of… read more here.
Keywords: absolute dating; high precision; parent body; breakup ... See more keywords
An extraterrestrial trigger for the mid-Ordovician ice age: Dust from the breakup of the L-chondrite parent body
Sign Up to like & getrecommendations! Published in 2019 at "Science Advances"
DOI: 10.1126/sciadv.aax4184
Abstract: The disruption of a 150-km large asteroid filled the inner solar system with dust that cooled Earth and caused faunal turnovers. The breakup of the L-chondrite parent body in the asteroid belt 466 million years… read more here.
Keywords: parent body; breakup; ordovician ice; chondrite parent ... See more keywords