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Crustal Evolution Lab
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A lab that reads the evolution of the Earth's crust from rocks and minerals.
AboutAbout the lab
Reading the Earth's record engraved in materials.
The Crustal Evolution Lab (KREATE) takes a materials science approach to study reactions between rocks and fluids in the lithosphere, material transport, and the geological evolution of planets.
By combining field geological observation with methods from petrology, mineralogy, and geochemistry, as well as numerical simulation and experiments, the lab aims to understand a wide range of geological processes, not only those on Earth.
It is a new lab, established in December 2024 in the Geoenvironmental Sciences Division of the Graduate School of Science, Tohoku University.
The lab welcomes students, postdoctoral researchers, and collaborators from around the world.
Key terms
- Metamorphic rock
- A rock formed when an original rock is subjected to high temperature and pressure underground, changing its minerals and texture.
- Craton
- The old, core part of a continent's bedrock that has remained stable for a long time.
- Detrital zircon
- Grains of the mineral zircon incorporated into sediments. The composition and age of each grain can be examined.
ResearchResearch themes
By reading the Earth's record engraved in materials, the lab aims to gain a deep understanding of how the Earth works and evolves, and to look ahead to the future of human society on the basis of scientific knowledge. It investigates, from a materials science perspective, the interactions between the rocks and minerals that make up the crust and fluids, with the goal of reconstructing the evolution of the interiors of the Earth and other planets and the processes that have modified them.
*Illustrative imageEarth History Read from Plate-Boundary Rocks
The lab directly analyzes the mineral assemblages, elemental and isotopic compositions, and structures and textures recorded in plate-boundary rocks (metamorphic rocks) and other rocks from various ages. By reading the processes at convergent plate margins and how they have changed through Earth history, it aims to understand the chemical evolution of the solid Earth and its effects on the surface environment.
*Illustrative imageEvolution of the Continental Crust
The lab studies the formation and modification of continental crust by island-arc magmatism, its transport into the mantle by tectonic erosion, and the growth of orogenic belts around cratons. It carries out comprehensive analyses of granites, detrital zircons, and xenoliths from the lower crust and lithospheric mantle.
*Illustrative imageMathematical Geosciences
The lab takes on the development of statistical and data-driven analysis methods and the development and improvement of software for spectral analysis, and applies them to actual research. It also works on building sample-preparation environments that can support advanced analyses, and on developing and improving hardware.
MembersFaculty
The members of the Crustal Evolution Lab are faculty, visiting and concurrently appointed faculty, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTatsuki Tsujimori
- Assistant ProfessorNaoko Takahashi
- Assistant ProfessorDaniel Pastor-Galán
VoicesStudent voices
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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: “Photomicrograph of rock thin section Gabbroic inclusion” Christopher Nye / Public domain (cropped)
- Earth History Read from Plate-Boundary Rocks: “Eclogite Norway” No machine-readable author provided. Woudloper assumed (based on copyright claims). / Public domain (cropped)
- Evolution of the Continental Crust: “Exposed granite of Hellroaring Mountain (78169e2a-024d-4fc3-a3c6-72d628a4b2d8)” Jacob W. Frank / Public domain (cropped)
- Mathematical Geosciences: “Europa Clipper's Mass Spectrometer” NASA/JPL-Caltech / Public domain (cropped)
- Related lab (Paleoenvironmental Change and Evolutionary Paleontology Lab): “Envisat image of the Great Barrier Reef off Australia's Queensland coast ESA233136” European Space Agency / CC BY-SA 3.0 igo (cropped)
- Related lab (Human Geography Lab): “Mercator projection SW” Strebe / CC BY-SA 3.0 (cropped)
- Related lab (Fault and Crustal Mechanics Lab): “Fault Zone - geograph.org.uk - 8323129” Anne Burgess / CC BY-SA 2.0 (cropped)
- Related lab (Geomorphology and Physical Geography Lab): “Sydney (AU), Coastal Cliff Walk” Dietmar Rabich / CC BY-SA 4.0 (cropped)
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