Our goal is to describe atoms that represent element distribution of the Solar system that are continuously evolving from the beginning to the future. To understand the Solar system with spatial scale 1013 m, we analyze planetary materials that are from different origin with different processes, and determine element and isotope compositions with spatial resolution down to 10-9 m.

Planetary materials besides terrestrial ones are the rolling stones that are sampled with locality unknown. To fill the important missing information, we developed a protocol that is to determine multiple-elements, multiple-isotopes, and multiple-phases. We referred the approach to be 'comprehensive' and construct an analytical system that let us do so. The system acts as a gigantic machine with numerous instruments glued by analytical methods and disciplined people. The disciplines and samples would be taken over to the next generation to sustain our science.

We work as a team and prefer arguments scientifically.

LATEST NEWS


sts group sts group
We run an outreach event related to the 7th Moon Village Workshop & Symposium on 12/09/2023 at Okayama. ムーンヴィレッジ・シンポジウムの開催にあわせ，12 月 9 日に岡山市でアウトリーチ・イベントを開催します．

11/15/2023

Insights into the formation and evolution of extraterrestrial amino acids from the asteroid Ryugu

03/31/2023

The amino acid abundances of two Ryugu particles were measured and compared with their rocky components. The results demonstrate the important role that water plays in the formation of amino acids on the giant precursors of asteroids like Ryugu. [ ... Read More ... 続きを読む ]

On the origin and evolution of the asteroid Ryugu: A comprehensive geochemical perspective

06/10/2022

A team of scientists undertake a comprehensive analysis of samples returned from the Japan Aerospace Exploration Agency’s Hayabusa2 mission and provide invaluable insights into the formation and evolution of our solar system. [ ... Read More ... 続きを読む ]

LATEST PUBLICATIONS

2022-2023


Dilan M. Ratnayake, Ryoji Tanaka and Eizo Nakamura. Determination of mass-dependent chromium isotopic compositions in geological samples by double spike-total evaporation-thermal ionization mass spectrometry (DS-TE-TIMS), Analytica Chimica Acta, 1278, 341723 (2023).

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Maya-Liliana Avramescu, Christian Potiszil, Tak Kunihiro, Kazunori Okabe, and Eizo Nakamura. An investigation of the internal morphology of asbestos ferruginous bodies: constraining their role in the onset of malignant mesothelioma, Particle and Fibre Toxicology, 20, 19 (2023).

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Wei Zhang, Hiroshi Kitagawa, and Eizo Nakamura. Lithium Isotope Constraints on Slab and Mantle Contribution to Arc Magmas, Journal of Geophysical Research: Solid Earth, 128 (5), e2022JB025670 (2023).

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Christian Potiszil, Tsutomu Ota, Masahiro Yamanaka, Chie Sakaguchi, Katsura Kobayashi, Ryoji Tanaka, Tak Kunihiro, Hiroshi Kitagaw, Masanao Abe, Akiko Miyazaki, Aiko Nakato, Satoru Nakazawa, Masahiro Nishimura, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Yuichi Tsuda, Tomohiro Usui, Sei-ichiro Watanabe, Toru Yada, Kasumi Yogata, Makoto Yoshikawa and Eizo Nakamura. Insights into the formation and evolution of extraterrestrial amino acids from the asteroid Ryugu, Nat Commun. 14, 1482 (2023).

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N. Kucukarslan, T. Ota, K. Kobayashi, E. Nakamura, and S. Omura. Early Efforts to Smelt Iron in Central Anatolia: Analysis of Iron Artefacts from the Bronze Age in Kaman-Kalehöyük, Microstruct. Anal., (2023).

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SEMINAR, SYMPOSIUM & WORKSHOP

2022-2023


June 27, 10:00 AM in 3F Seminar Room
Seminar by Rahul Kumar

June 22, 10:00 AM in 3F Seminar Room
Seminar by Dr Ashlea Wainwright (Assistant Lab Manager Isotope Geochemistry Group, School of Earth Sciences , The University of Melbourne)

June 20, 10:00 AM in 3F Seminar Room
Seminar by Dilan M. Ratnayake

June 13, 11:00 AM in 3F Seminar Room
Seminar by Prof. Michael Rowe (University of Auckland, School of Environment, New Zealand)

June 13, 10:00 AM in 3F Seminar Room
Seminar by Noah Miklusicak

June 6, 10:00 AM in 3F Seminar Room
Seminar by Torii Douglas-Song

April 11, 14:00 AM in 3F Seminar Room
Seminar by Dr. Andreas Auer (Department of Earth Science, Shimane University)

March 15, 16:00 AM in 3F Seminar Room
Seminar by Prof. Gray Bebout (Lehigh University)

March 7, 10:00 AM in 3F Seminar Room
Seminar by Dilan M. Ratnayake

December 13, 10:00 AM in 3F Seminar Room
Seminar by Noah Miklusicak



SOCIAL MEDIA

PML -Pheasant Memorial Labratory-