[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 …
compositions (μ 54 Cr) of 42 chondrules from CV (Vigarano and NWA 3118) and CR (NWA …
Hf-W chronology of CR chondrites: Implications for the timescales of chondrule formation and the distribution of 26Al in the solar nebula
Renazzo-type carbonaceous (CR) chondrites are distinct from most other chondrites in
having younger chondrule 26 Al-26 Mg ages, but the significance of these ages and whether …
having younger chondrule 26 Al-26 Mg ages, but the significance of these ages and whether …
Isotopic evidence for two chondrule generations in CR chondrites and their relationships to other carbonaceous chondrites
Among primitive meteorites, CR chondrites have peculiar isotopic compositions, the origin of
which is uncertain and may have involved contributions from primordial molecular cloud …
which is uncertain and may have involved contributions from primordial molecular cloud …
Distribution of 26Al in the CR chondrite chondrule-forming region of the protoplanetary disk
DL Schrader, K Nagashima, AN Krot, RC Ogliore… - … et Cosmochimica Acta, 2017 - Elsevier
We report on the mineralogy, petrography, and in situ measured oxygen-and magnesium-
isotope compositions of eight porphyritic chondrules (seven FeO-poor and one FeO-rich) …
isotope compositions of eight porphyritic chondrules (seven FeO-poor and one FeO-rich) …
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 …
to have formed during transient heating events in the solar protoplanetary disk. Chondrules …
Oxygen isotopic compositions of chondrules from the metal-rich chondrites Isheyevo (CH/CBb), MAC 02675 (CBb) and QUE 94627 (CBb)
AN Krot, K Nagashima, M Yoshitake… - … et Cosmochimica Acta, 2010 - Elsevier
It has been recently suggested that (1) CH chondrites and the CBb/CH-like chondrite
Isheyevo contain two populations of chondrules formed by different processes:(i) magnesian …
Isheyevo contain two populations of chondrules formed by different processes:(i) magnesian …
Oxygen isotope compositions of chondrules in CR chondrites
We report in situ ion microprobe analyses of oxygen isotopic compositions of olivine, low-Ca
pyroxene, high-Ca pyroxene, anorthitic plagioclase, glassy mesostasis, and spinel in five …
pyroxene, high-Ca pyroxene, anorthitic plagioclase, glassy mesostasis, and spinel in five …
Chromium isotopic insights into the origin of chondrite parent bodies and the early terrestrial volatile depletion
Chondrites are meteorites from undifferentiated parent bodies that provide fundamental
information about early Solar System evolution and planet formation. The element Cr is …
information about early Solar System evolution and planet formation. The element Cr is …
Chromium isotopic evidence for an early formation of chondrules from the Ornans CO chondrite
Chondrules are the main components of primitive meteorites and possibly the building
blocks of planetary embryos and terrestrial planets. However, their ages and modes of …
blocks of planetary embryos and terrestrial planets. However, their ages and modes of …
Extended chondrule formation intervals in distinct physicochemical environments: Evidence from Al-Mg isotope systematics of CR chondrite chondrules with unaltered …
Al-Mg isotope systematics of twelve FeO-poor (type I) chondrules from CR chondrites Queen
Alexandra Range 99177 and Meteorite Hills 00426 were investigated by secondary ion …
Alexandra Range 99177 and Meteorite Hills 00426 were investigated by secondary ion …