Magnesium isotope evidence for single stage formation of CB chondrules by colliding planetesimals

MB Olsen, M Schiller, AN Krot… - The Astrophysical …, 2013 - iopscience.iop.org
Chondrules are igneous spherical objects preserved in chondritic meteorites and believed
to have formed during transient heating events in the solar protoplanetary disk. Chondrules …

[HTML][HTML] Magnesium and 54Cr isotope compositions of carbonaceous chondrite chondrules–Insights into early disk processes

MB Olsen, D Wielandt, M Schiller… - … et cosmochimica acta, 2016 - Elsevier
We report on the petrology, magnesium isotopes and mass-independent 54 Cr/52 Cr
compositions (μ 54 Cr) of 42 chondrules from CV (Vigarano and NWA 3118) and CR (NWA …

Evidence for the presence of planetesimal material among the precursors of magnesian chondrules of nebular origin

G Libourel, AN Krot - Earth and Planetary Science Letters, 2007 - Elsevier
Chondrules are the major high-temperature components of chondritic meteorites, which are
conventionally viewed as the samples from the very first generation of undifferentiated …

Magnesium isotopic constraints on the origin of CBb chondrites

M Gounelle, ED Young, A Shahar, E Tonui… - Earth and Planetary …, 2007 - Elsevier
The magnesium isotopic composition of Calcium-, Aluminium-rich Inclusions (CAIs) and
chondrules from the CBb chondrites HH237 and QUE94411 was measured using MC …

Pb‐Pb dating of individual chondrules from the CBa chondrite Gujba: Assessment of the impact plume formation model

J Bollard, JN Connelly… - Meteoritics & Planetary …, 2015 - Wiley Online Library
The CB chondrites are metal‐rich meteorites with characteristics that sharply distinguish
them from other chondrite groups. Their unusual chemical and petrologic features and a …

Testing accretion mechanisms of the H chondrite parent body utilizing nucleosynthetic anomalies

SG Pedersen, M Schiller, JN Connelly… - … & Planetary Science, 2019 - Wiley Online Library
Planetary bodies a few hundred kilometers in radii are the precursors to larger planets but it
is unclear whether these bodies themselves formed very rapidly or accreted slowly over …

Mineralogy, petrology, and oxygen isotopic compositions of aluminum-rich chondrules from unequilibrated ordinary and the Dar al Gani 083 (CO3. 1) chondrite

S Ebert, K Nagashima, A Bischoff, J Berndt… - … et Cosmochimica Acta, 2022 - Elsevier
Understanding the genetic relationship between different chondritic components will help to
decipher their origin and dynamical evolution within the protoplanetary disk. Here, we obtain …

Chondrules: Ubiquitous chondritic solids tracking the evolution of the solar protoplanetary disk

M Bizzarro, JN Connelly, AN Krot - … evolution, and dynamics of young solar …, 2017 - Springer
Chondrite meteorites are samples of primitive asteroidal bodies that have escaped melting
and differentiation. The only record of our Solar System's formative stages comes from the …

CM and CO chondrites: A common parent body or asteroidal neighbors? Insights from chondrule silicates

DL Schrader, J Davidson - Geochimica et Cosmochimica Acta, 2017 - Elsevier
By investigating the petrology and chemical composition of type II (FeO-rich) chondrules in
the Mighei-like carbonaceous (CM) chondrites we constrain their thermal histories and …

Chondrite diversity revealed by chromium, calcium and magnesium isotopes

K Zhu, M Schiller, F Moynier, M Groen… - … et Cosmochimica Acta, 2023 - Elsevier
Chondrites are undifferentiated meteorites that can provide information on the compositions
of materials in the early solar System, including the building blocks of the terrestrial planets …