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Advanced filters: Author: Makiko K. Haba Clear advanced filters

Late fluid flow in a primitive asteroid revealed by Lu–Hf isotopes in Ryugu

Analysis of samples from the asteroid Ryugu provide evidence of late fluid flow in a carbonaceous asteroid, indicating that such bodies may have retained two to three times more water than previously thought.

Tsuyoshi Iizuka
Takazo Shibuya
Hisayoshi Yurimoto
Research10 Sept 2025
Nature

Volume: 646, P: 62-67
Contribution of Ryugu-like material to Earth’s volatile inventory by Cu and Zn isotopic analysis

A comparison of copper and zinc isotopic measurements between the Ryugu samples and various carbonaceous chondrites excludes any genetic link between the two except for the CI (Ivuna-type) chondrites. Ryugu-like material might have accounted for ~5% of Earth’s mass.

Marine Paquet
Frederic Moynier
Hisayoshi Yurimoto
Research12 Dec 2022
Nature Astronomy

Volume: 7, P: 182-189
Mesosiderite formation on asteroid 4 Vesta by a hit-and-run collision

Mesosiderite meteorites may originate from a hit-and-run impact on the parent asteroid of eucrite meteorites (probably Vesta), as mesosiderite zircon U–Pb ages are found to coincide with those for eucrites.

Makiko K. Haba
Jörn-Frederik Wotzlaw
Maria Schönbächler
Research10 Jun 2019
Nature Geoscience

Volume: 12, P: 510-515
Carbonate record of temporal change in oxygen fugacity and gaseous species in asteroid Ryugu

The asteroid Ryugu experienced aqueous alteration under changing temperature and redox conditions, according to an isotopic analysis of secondary calcite and dolomite grains in samples from Ryugu obtained by the Hayabusa2 spacecraft.

Wataru Fujiya
Noriyuki Kawasaki
Hisayoshi Yurimoto
Research10 Jul 2023
Nature Geoscience

Volume: 16, P: 675-682
Author Correction: Contribution of Ryugu-like material to Earth’s volatile inventory by Cu and Zn isotopic analysis

Marine Paquet
Frederic Moynier
Hisayoshi Yurimoto
Amendments and Corrections14 Mar 2023
Nature Astronomy

Volume: 7, P: 633