Radial transport and nebular thermal processing of millimeter-sized solids in the Solar protoplanetary disk inferred from Cr-Ti-O isotope systematics of chondrules

Fukuda, Kohei; Hibiya, Yuki; Kastelle, Craig R.; Suzuki, Katsuhiko; Iizuka, Tsuyoshi; Yamashita, Katsuyuki; Helser, Thomas E.; Kita, Noriko T.

doi:https://doi.org/10.1111/maps.14276

Radial transport and nebular thermal processing of millimeter-sized solids in the Solar protoplanetary disk inferred from Cr-Ti-O isotope systematics of chondrules

Fukuda, Kohei; Hibiya, Yuki; Kastelle, Craig R. et al.

Meteoritics and Planetary Science, 2024, 59(12), 3282-3304

Number of Access:732（2025-08-14 02:27 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/98411

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Title	Radial transport and nebular thermal processing of millimeter-sized solids in the Solar protoplanetary disk inferred from Cr-Ti-O isotope systematics of chondrules
Creator	NRID 1000080963462 1000080963462 ORCID 0000-0002-8883-9251 0000-0002-8883-9251 researchmap permalink koheifukuda koheifukuda CreatorName Fukuda, Kohei
	NRID 1000030867536 1000030867536 CreatorName Hibiya, Yuki
	CreatorName Kastelle, Craig R.
	NRID 1000070251329 1000070251329 CreatorName Suzuki, Katsuhiko
	NRID 1000070614569 1000070614569 CreatorName Iizuka, Tsuyoshi
	NRID 1000050322201 1000050322201 CreatorName Yamashita, Katsuyuki
	CreatorName Helser, Thomas E.
	CreatorName Kita, Noriko T.
Description	Fukuda K., Hibiya Y., Kastelle C.R., et al. Radial transport and nebular thermal processing of millimeter-sized solids in the Solar protoplanetary disk inferred from Cr-Ti-O isotope systematics of chondrules. Meteoritics and Planetary Science, (2024); https://doi.org/10.1111/maps.14276.
Abstract	Understanding the material transport and mixing processes in the Solar protoplanetary disk provides important constraints on the origin of chemical and isotopic diversities of our planets. The limited extent of radial transport and mixing between the inner and outer Solar System has been suggested based on a fundamental isotopic dichotomy between non-carbonaceous (NC) and carbonaceous (CC) meteorite groups. The limited transport and mixing could be further tested by tracing the formation regions of individual meteoritic components, such as Ca-Al-rich inclusions (CAIs) and chondrules. Here, we show further evidence for the outward transport of CAIs and chondrules from the inner and subsequent thermal processing in the outer region of the protoplanetary disk based on the petrography and combined Cr-Ti-O isotope systematics of chondrules from the Vigarano-like (CV) carbonaceous chondrite Allende. One chondrule studied consists of an olivine core that exhibits NC-like Ti and O, but CC-like Cr isotopic signatures, which is enclosed by a pyroxene igneous rim with CC-like O isotope ratios. These observations indicate that the olivine core formed in the inner Solar System. The olivine core then migrated into the outer Solar System and experienced nebular thermal processing that generated the pyroxene igneous rim. The nebular thermal processing would result in Cr isotope exchange between the olivine core and CC-like materials, but secondary alteration effects on the parent body are also responsible for the CC-like Cr isotope signature. By combining previously reported Cr-Ti-O isotope systematics of CV chondrules, we show that some CV chondrules larger than ~1 mm would have formed in the inner Solar System. The accretion of the millimeter-sized, inner Solar System solids onto the CV carbonaceous chondrite parent body would require their very early migration into the outer Solar System within the first 1 million years after the Solar System formation.
Publisher	John Wiley and Sons Inc
Source Title	Meteoritics and Planetary Science
Volume (Issue)	59(12)
Page	3282-3304
Date of Issued	2024-10-27
Language	English
Handle URL	https://hdl.handle.net/11094/98411
PISSN	10869379
Relation.isIdenticalTo	DOI (Publisher Version) https://doi.org/10.1111/maps.14276
Access Rights	open access
CopyRight	This article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
oaire:version	Version of Record
Category	学術雑誌論文 Journal Article

Resource Type	journal article
Local Type	Journal Article
DCTERMS.bibliographicCitation	Meteoritics and Planetary Science. 2024, 59(12), p. 3282-3304
DC.title	Radial transport and nebular thermal processing of millimeter-sized solids in the Solar protoplanetary disk inferred from Cr-Ti-O isotope systematics of chondrules
DC.creator	Fukuda, Kohei
	Hibiya, Yuki
	Kastelle, Craig R.
	Suzuki, Katsuhiko
	Iizuka, Tsuyoshi
	Yamashita, Katsuyuki
	Helser, Thomas E.
	Kita, Noriko T.
DC.publisher	John Wiley and Sons Inc
DC.language' scheme='DCTERMS.RFC1766	English
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2024-10-27
DC.identifier	https://doi.org/10.1111/maps.14276
DC.description	Fukuda K., Hibiya Y., Kastelle C.R., et al. Radial transport and nebular thermal processing of millimeter-sized solids in the Solar protoplanetary disk inferred from Cr-Ti-O isotope systematics of chondrules. Meteoritics and Planetary Science, (2024); https://doi.org/10.1111/maps.14276.
DCTERMS.abstract	Understanding the material transport and mixing processes in the Solar protoplanetary disk provides important constraints on the origin of chemical and isotopic diversities of our planets. The limited extent of radial transport and mixing between the inner and outer Solar System has been suggested based on a fundamental isotopic dichotomy between non-carbonaceous (NC) and carbonaceous (CC) meteorite groups. The limited transport and mixing could be further tested by tracing the formation regions of individual meteoritic components, such as Ca-Al-rich inclusions (CAIs) and chondrules. Here, we show further evidence for the outward transport of CAIs and chondrules from the inner and subsequent thermal processing in the outer region of the protoplanetary disk based on the petrography and combined Cr-Ti-O isotope systematics of chondrules from the Vigarano-like (CV) carbonaceous chondrite Allende. One chondrule studied consists of an olivine core that exhibits NC-like Ti and O, but CC-like Cr isotopic signatures, which is enclosed by a pyroxene igneous rim with CC-like O isotope ratios. These observations indicate that the olivine core formed in the inner Solar System. The olivine core then migrated into the outer Solar System and experienced nebular thermal processing that generated the pyroxene igneous rim. The nebular thermal processing would result in Cr isotope exchange between the olivine core and CC-like materials, but secondary alteration effects on the parent body are also responsible for the CC-like Cr isotope signature. By combining previously reported Cr-Ti-O isotope systematics of CV chondrules, we show that some CV chondrules larger than ~1 mm would have formed in the inner Solar System. The accretion of the millimeter-sized, inner Solar System solids onto the CV carbonaceous chondrite parent body would require their very early migration into the outer Solar System within the first 1 million years after the Solar System formation.
DC.rights	This article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
DC.format	98411
citation_title	Radial transport and nebular thermal processing of millimeter-sized solids in the Solar protoplanetary disk inferred from Cr-Ti-O isotope systematics of chondrules
citation_author	Fukuda, Kohei
	Hibiya, Yuki
	Kastelle, Craig R.
	Suzuki, Katsuhiko
	Iizuka, Tsuyoshi
	Yamashita, Katsuyuki
	Helser, Thomas E.
	Kita, Noriko T.
citation_publisher	John Wiley and Sons Inc
citation_language	English
citation_date	2024-10-27
citation_journal_title	Meteoritics and Planetary Science
citation_volume	59
citation_issue	12
citation_firstpage	3282
citation_lastpage	3304
citation_doi	https://doi.org/10.1111/maps.14276
citation_public_url	https://hdl.handle.net/11094/98411

Radial transport and nebular thermal processing of millimeter-sized solids in the Solar protoplanetary disk inferred from Cr-Ti-O isotope systematics of chondrules

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