Fe isotope composition of bulk chondrules from Murchison (CM2): Constraints for parent body alteration, nebula processes and chondrule-matrix complementarity
Sign Up to like & getrecommendations! Published in 2018 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2018.03.013
Abstract: Abstract Chondrules are a major constituent of primitive meteorites. The formation of chondrules is one of the most elusive problems in cosmochemistry. We use Fe isotope compositions of chondrules and bulk chondrites to constrain the… read more here.
Keywords: isotope; murchison; parent body; bulk ... See more keywords
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
Microstructural and Paleomagnetic Insight into the Cooling History of the IAB Parent Body
Sign Up to like & getrecommendations! Published in 2018 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2018.03.009
Abstract: Abstract The IABs represent one of only two groups of iron meteorites that did not form by fractional crystallization of liquid Fe-Ni in the core of a differentiated planetesimal. Instead, they are believed to originate… read more here.
Keywords: iab parent; parent body; history; history iab ... 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
Accretion of a large LL parent planetesimal from a recently formed chondrule population
Sign Up to like & getrecommendations! Published in 2020 at "Science Advances"
DOI: 10.1126/sciadv.aay8641
Abstract: LL chondrite cooling histories require a ≥150-km parent body and accretion concurrent with LL chondrule formation. Chondritic meteorites, derived from asteroidal parent bodies and composed of millimeter-sized chondrules, record the early stages of planetary assembly.… read more here.
Keywords: accretion large; accretion; parent body; parent ... See more keywords
Defining the mechanism for compaction of the CV chondrite parent body
Sign Up to like & getrecommendations! Published in 2017 at "Geology"
DOI: 10.1130/g38864.1
Abstract: The Allende meteorite, a relatively unaltered member of the CV carbonaceous chondrite group, contains primitive crystallographic textures that can inform our understanding of early Solar System planetary compaction. To test between models of porosity reduction… read more here.
Keywords: defining mechanism; mechanism compaction; compaction; parent body ... See more keywords