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 …
High precision 26Al-26Mg chronology of chondrules in unequilibrated ordinary chondrites: evidence for restricted formation ages
Chondrules in ordinary chondrites are considered to form in high density environments,
likely related to the evolution of protoplanets and large planetesimals. In order to determine …
likely related to the evolution of protoplanets and large planetesimals. In order to determine …
Time and duration of chondrule formation: Constraints from 26Al-26Mg ages of individual chondrules
Chondrules from unequilibrated ordinary and carbonaceous chondrites belong to the oldest
and most primitive materials from the early solar system and record chemical and isotopic …
and most primitive materials from the early solar system and record chemical and isotopic …
The 26Al-26Mg systematics of FeO-rich chondrules from Acfer 094: Two chondrule generations distinct in age and oxygen isotope ratios
Abstract The 26 Al-26 Mg ages of FeO-rich (type II) chondrules from Acfer 094, one of the
least thermally metamorphosed carbonaceous chondrites, were determined by SIMS …
least thermally metamorphosed carbonaceous chondrites, were determined by SIMS …
26Al in chondrules from CR2 chondrites
K Nagashima, AN Krot, GR Huss - Geochemical Journal, 2014 - jstage.jst.go.jp
We report Al–Mg isotope systematics in fourteen mineralogically pristine chondrules from six
CR2 (Renazzo-type) carbonaceous chondrites measured with secondary ion mass …
CR2 (Renazzo-type) carbonaceous chondrites measured with secondary ion mass …
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) …
New constraints from 26Al-26Mg chronology of anorthite bearing chondrules in unequilibrated ordinary chondrites
Abstract 26 Al-26 Mg ages were determined for 14 anorthite-bearing chondrules from five
different unequilibrated ordinary chondrites (UOCs) with low petrologic subtypes (3.00 …
different unequilibrated ordinary chondrites (UOCs) with low petrologic subtypes (3.00 …
[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 …
Oxygen isotope systematics of chondrule phenocrysts from the CO3. 0 chondrite Yamato 81020: Evidence for two distinct oxygen isotope reservoirs
High-precision oxygen three-isotope measurements of olivine and pyroxene were
performed on 33 chondrules in the Yamato 81020 CO3. 0 chondrite by secondary ion mass …
performed on 33 chondrules in the Yamato 81020 CO3. 0 chondrite by secondary ion mass …
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 …