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Iizuka Lab
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The lab reads the history of the Earth and other planets from the isotopes in rocks and meteorites.
AboutAbout the lab
The evolution of Earth and planets, from rocks and meteorites.
The Iizuka Lab uses the methods of cosmochemistry, geochemistry and isotope science to study the formation and evolution of the planets in the solar system.
The lab analyzes the chemical elements and isotopes contained in terrestrial rocks and meteorites to investigate how the Earth and other planets have evolved.
Students from a wide range of fields, including earth science, physics and chemistry, come together across disciplinary and university boundaries.
Research proceeds through discussion, both between the professor and students and among the students themselves.
Key terms
- Isotope
- Atoms of the same element that differ in weight because they have different numbers of neutrons
- Trace element
- Elements that are present in only very small amounts in rocks or other samples
- Meteorite
- A fragment of rock that has fallen to the Earth from space
NewsLab news
View More ↗ResearchResearch themes
The lab investigates the evolution of the Earth and planets by analyzing the chemical elements and isotopes contained in terrestrial rocks and meteorites. In particular, it uses analyses of trace elements and isotopes as clues to trace the paths that the Earth and other planets have taken.
*Illustrative imageTracing the Birth and Evolution of the Earth
How was the Earth, where we live, born, and how has it evolved? The lab seeks to trace that path using the trace elements and isotopes contained in terrestrial rocks as clues.
*Illustrative imageHow the Earth Differs from Other Planets
How do other planets differ from the Earth? The lab analyzes the chemical elements and isotopes of samples that come from outside the Earth, such as meteorites, to investigate differences in how each planet was formed.
*Illustrative imageWhat Is Happening on the Earth Today
What is happening on the Earth today? The lab takes on this question using analyses of the trace elements and isotopes contained in rocks and meteorites as clues.
MembersFaculty
The members of the Iizuka Lab are the faculty and students in the doctoral and master's programs.As of 2026
- Associate ProfessorTsuyoshi IizukaPublications ↗
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
Students who take part in an interview may receive a thank-you gift worth ¥1,000, regardless of what they say.
On a 4-point scale, ● marks where students' answers fall
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RelatedLabs similar to Iizuka Lab
Ikeda LabFaculty of Science, Department of Earth and Planetary Environmental SciencePaleoenvironmental science, paleoclimatology, Earth and plan…
Hirata LabFaculty of Science, Department of Earth and Planetary Environmental ScienceIsotopes and mass spectrometry
Yamaguchi LabFaculty of Science, Department of Earth and Planetary Environmental ScienceMarine geology, structural geology, and tectonics
OFGS (Ocean Floor Geoscience / Okino-Kuroda Lab)Faculty of Science, Department of Earth and Planetary Environmental ScienceMarine geophysics and tectonics / paleoceanography, marine g…The information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Jaspilite banded iron formation (BIF) (Temagami Iron-Formation, Neoarchean, 2.736 Ga; Sherman Iron Mine, Temagami, southeastern Ontario, Canada) ( )” James St. John / CC BY 2.0 (cropped)
- Tracing the Birth and Evolution of the Earth: “Acasta Gneiss fragment” Emmanuel Douzery / CC BY-SA 4.0 (cropped)
- How the Earth Differs from Other Planets: “NWA 5930 Meteorite Thin Section Chondrule - Image 7” Solar Anamnesis / CC0 (cropped)
- What Is Happening on the Earth Today: “Basalt Plagioclase and Pyroxene” uncle.capung@flickr / CC BY 2.0 (cropped)
- Related lab (Ikeda Lab): “Ribbon chert of the Marin Headlands Terrane, exposed at Marshall's Beach, San Francisco” Callanbentley / CC BY 4.0 (cropped)
- Related lab (Hirata Lab): “ICP-AES Plasma Torch - 001” Sigmo / CC BY 3.0 (cropped)
- Related lab (Yamaguchi Lab): “Flexure-chert kyuzo-pass01” KAMUI / CC BY-SA 3.0 (cropped)
- Related lab (OFGS (Ocean Floor Geoscience / Okino-Kuroda Lab)): “Louisville seamount chain - bathymetry” World Data Center for Geophysics & Marine Geology (Boulder, CO), National Geophysical Data Center, NOAA / Public domain (cropped)
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