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Akira Ishikawa

Associate Professor

Tokyo Institute of Technology

Japan

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Research Interests

Petrology

100%

Mineralogy

70%

Geology

100%

Petrogenesis

60%

Thermochronology

60%

Geochemistry

50%

Isotope Geochemistry

40%

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Articles21

“CY1” Chondrites Produced by Impact Dehydration of the CI Chondrite Parent Body

Article Link

Year:

2025

Zirconium isotope composition indicates s‐process depletion in samples returned from asteroid Ryugu

Article Link

Year:

2025

Prolonged 187Os/188Os excursion implies hydrothermal influence after the Chicxulub impact in the Gulf of Mexico

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Year:

2025

Multidisciplinary evidence for synchroneity between Ontong Java Nui volcanism and early Aptian oceanic anoxic event 1a

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Year:

2025

Hydrogen in magnetite from asteroid Ryugu

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Year:

2024

Brief and intensive volcanic emissions from Ontong Java Nui heralded Oceanic Anoxic Event 1a

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Year:

2024

Applicability of quartz tube digestion for the determination of highly siderophile and volatile chalcophile element abundances with Os isotopic compositions using ICP-MS/MS and N-TIMS

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Year:

2024

Molybdenum isotopic compositions in volcanic rocks from Northern Izu arc (Izu-Oshima, Niijima, and Kozushima)

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Year:

2024

Analysis of Cation Composition in Dolomites on the Intact Particles Sampled from Asteroid Ryugu

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Year:

2024

Disequilibrium oxygen isotope distribution among aqueously altered minerals in Ryugu asteroid returned samples

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Year:

2024

Evidence for suboceanic small-scale convection from a “garnet”-bearing lherzolite xenolith from Aitutaki Island, Cook Islands

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Year:

2024

Chemical and Isotopic Evaluation of a Microsampling Method using Laser Ablation and Membrane Filter

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Year:

2022

Sedimentary record of Upper Triassic impact in the Lagonegro Basin, southern Italy: Insights from highly siderophile elements and Re Os isotope stratigraphy across the Norian/Rhaetian boundary

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Year:

2021

Seismic evidence for a thermochemical mantle plume underplating the lithosphere of the Ontong Java Plateau

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Year:

2021

Halogen heterogeneity in the subcontinental lithospheric mantle revealed by I/Br ratios in kimberlites and their mantle xenoliths from South Africa, Greenland, China, Siberia, Canada, and Brazil

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Year:

2021

Globally distributed iridium layer preserved within the Chicxulub impact structure

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Year:

2021

Occurrence and chemical composition of the Eoarchean carbonate rocks of the Nulliak supracrustal rocks in the Saglek Block of northeastern Labrador, Canada

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Year:

2021

New geochronological constraints on the middle Archean Shurugwi greenstone belt toward an understanding of the crustal evolution of the Zimbabwe Craton

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Year:

2021

A framework for understanding Mo isotope records of Archean and Paleoproterozoic Fe- and Mn-rich sedimentary rocks: Insights from modern marine hydrothermal Fe-Mn oxides

Article Link

Year:

2020

A simple determination of whole-rock major- And trace-element composition for peridotite by micro-XRF spectrometer and ICP-MS using fused-glass bead

Article Link

Year:

2020

Compositional heterogeneity of Archean mantle estimated from Sr and Nd isotopic systematics of basaltic rocks from North Pole, Australia, and the Isua supracrustal belt, Greenland

Article Link

Year:

2020

Collaborators22

Maria Schonbachler

ETH Zurich

SWITZERLAND

Makiko Haba

Assistant Professor

Tokyo Institute of Technology

JAPAN

Shogo Aoki

Assistant Professor

Akita University

JAPAN

Tsuyoshi Komiya

Professor

University of Tokyo

JAPAN

Kazunori Yoshizawa

Professor

Hokkaido University

JAPAN

Hironao Matsumoto

Assistant Professor

University of Tsukuba

JAPAN

Martin Bizzarro

Professor

University of Copenhagen

DENMARK

Jean-Guillaume Feignon

Vrije Universiteit Brussel

BELGIUM

Takayoshi Nagaya

Lecturer

Tokyo Gakugei University

JAPAN

Honami Sato

Assistant Professor

Kyushu University

JAPAN

Tetsuya Yokoyama

Professor

Tokyo Institute of Technology

JAPAN

Shogo Tachibana

Professor

University of Tokyo

JAPAN

Kotaro Shirai

JAPAN

Steven Goderis

Vrije Universiteit Brussel

BELGIUM

Matthias Sinnesael

Assistant Professor in Palaeoenvironments

Trinity College Dublin

IRELAND

Hicham KHODJA

Head of Laboratoire d'Etude des Eléments Légers

CEA Saclay

FRANCE

Tetsu Kogiso

教授 / Professor

Kyoto University

JAPAN

Philippe Claeys

Vrije Universiteit Brussel

BELGIUM

H. Yurimoto

JAPAN

Hikaru Iwamori

JAPAN

Ariel Anbar

Arizona State University

UNITED STATES

Takehi Isse

Associate Professor

University of Tokyo

JAPAN

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