26Al in chondrules from unequilibrated L chondrites: Onset and duration of chondrule formation in the early solar system

NG Rudraswami, JN Goswami - Earth and Planetary Science Letters, 2007 - Elsevier
Al–Mg isotope records in sixteen ferromagnesian chondrules from five unequilibrated
ordinary chondrites (UOCs), four L chondrites with petrologic grades varying from 3.0 to 3.2 …

The relative formation ages of ferromagnesian chondrules inferred from their initial aluminum‐26/aluminum‐27 ratios

S Mostefaoui, NT Kita, S Togashi… - … & Planetary Science, 2002 - Wiley Online Library
We performed a systematic high‐precision secondary ion mass spectrometry 26Al‐26Mg
isotopic study for 11 ferromagnesian chondrules from the highly unequilibrated ordinary …

26Al–26Mg systematics of chondrules in a primitive CO chondrite

E Kurahashi, NT Kita, H Nagahara… - … et Cosmochimica Acta, 2008 - Elsevier
We have conducted systematic investigations of formation age, chemical compositions, and
mineralogical characteristics of ferromagnesian chondrules in Yamato-81020 (CO3. 05) …

26Al records in chondrules from unequilibrated ordinary chondrites: II. Duration of chondrule formation and parent body thermal metamorphism

NG Rudraswami, JN Goswami… - Earth and Planetary …, 2008 - Elsevier
Fossil records of the now-extinct short-lived nuclide 26Al were analyzed in twelve
chondrules from four unequilibrated ordinary chondrites (UOCs), Semarkona (3.0) …

Correlation between relative ages inferred from 26Al and bulk compositions of ferromagnesian chondrules in least equilibrated ordinary chondrites

S Tachibana, H Nagahara… - … & Planetary Science, 2003 - Wiley Online Library
We have studied the relationship between bulk chemical compositions and relative
formation ages inferred from the initial 26Al/27Al ratios for sixteen ferromagnesian …

High precision 26Al-26Mg chronology of chondrules in unequilibrated ordinary chondrites: evidence for restricted formation ages

G Siron, K Fukuda, M Kimura, NT Kita - Geochimica et Cosmochimica Acta, 2022 - Elsevier
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 …

A short duration of chondrule formation in the solar nebula: Evidence from 26Al in Semarkona ferromagnesian chondrules

NT Kita, H Nagahara, S Togashi, Y Morishita - … et Cosmochimica Acta, 2000 - Elsevier
The 26Al–26Mg systems of five ferromagnesian chondrules from the least metamorphosed
ordinary chondrite Semarkona (LL3. 0) were studied using a secondary ion mass …

A temporal shift of chondrule generation from the inner to outer Solar System inferred from oxygen isotopes and Al-Mg chronology of chondrules from primitive CM and …

K Fukuda, TJ Tenner, M Kimura, N Tomioka… - … et Cosmochimica Acta, 2022 - Elsevier
Deciphering the spatial and temporal evolution of chondrules allows for a better
understanding of how asteroidal seeds formed, migrated, and eventually accreted into …

New constraints from 26Al-26Mg chronology of anorthite bearing chondrules in unequilibrated ordinary chondrites

G Siron, K Fukuda, M Kimura, NT Kita - Geochimica et cosmochimica acta, 2021 - Elsevier
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 …

Multiple formation of chondrules in the early solar system: Chronology of a compound Al-rich chondrule

T Akaki, T Nakamura, T Noguchi… - The Astrophysical …, 2007 - iopscience.iop.org
Chondrules are high-temperature components of meteorites and are formed during flash
heating episodes in the early solar system. From the presence of compound chondrules …