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Geology and Geobiology Lab
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The lab explores the evolution of Earth and life through fieldwork.
AboutAbout the lab
From fieldwork to the evolution of Earth and life
The Geology and Geobiology Lab studies the evolution of Earth and life through fieldwork.
It examines the movements of the crust and mantle and their interaction from the perspectives of sedimentation, metamorphism, material cycling in the deep Earth, and geological time.
Using methods such as paleontology, sedimentology, geochemistry, and molecular evolution, it uncovers how the biosphere has evolved and how that evolution relates to the global environment.
The lab comprises research groups in tectonics, petrology and mineralogy, and biosphere evolution.
Key terms
- provenance analysis
- A method for determining from which land area the sand and gravel that form strata were transported
- metamorphism
- The process in which rocks, subjected to high temperature and pressure underground, change into a different mineral assemblage or texture
- adaptive radiation
- The diversification of a single ancestor into many species suited to a variety of environments
NewsLab news
View More ↗ResearchResearch themes
The lab explores the evolution of Earth and life through fieldwork. Its research falls into two areas: elucidating the tectonics of the crust and mantle and their interaction, and elucidating the evolution of the biosphere and its interaction with the global environment.
*Illustrative imageSedimentation and crustal deformation
Over Earth's 4.6-billion-year history, the lab investigates, in orogenic belts, what kinds of sedimentation have occurred along with crustal deformation. Using provenance analysis of clastic rocks, sedimentary facies analysis, and geological structure analysis, it places emphasis on fieldwork in order to reconstruct the stratigraphy before deformation.
*Illustrative imageRocks and minerals of the mantle and crust
The lab examines diverse rocks and minerals, from those on land to those on the seafloor. Using equipment such as polarizing microscopes and electron probe microanalyzers, it reads the histories of temperature, pressure, and deformation that rocks experienced deep underground, as well as reactions between rock and water or melt. It studies igneous and metamorphic processes in the deep Earth and the processes that form the related deformation structures.
*Illustrative imageRelationship between life and the Earth system
The lab studies the evolution of organisms and ecosystems, and the interrelationship between life and the Earth system, from the perspectives of paleontology, sedimentology, and geochemistry. The research aims to clarify the mutual relationship between the effects that life activity has had on the global environment and the repeated adaptive radiations and extinctions of organisms triggered by environmental change.
MembersFaculty
- ProfessorKatsuyosi Michibayahi
- ProfessorMakoto Takeuchi
- Associate ProfessorSatoshi Takahashi
- Associate ProfessorMark Hambre
- Associate ProfessorYui Koketsu
- LecturerSeiji Hayashi
- LecturerYusuke Shimura
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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: “Rock Strata in Glen Nevis” Bill Kasman / CC BY-SA 4.0 (cropped)
- Sedimentation and crustal deformation: “Layers of sedimentary rock formed on the earth's surface. 5096” AlixSaz / CC BY 4.0 (cropped)
- Rocks and minerals of the mantle and crust: “Thin section scan crossed polarizers Siilinjärvi R edit” kallerna / CC BY-SA 4.0 (cropped)
- Relationship between life and the Earth system: “Paradoxides minor fossil trilobite (Jince Formation, Middle Cambrian; Jince area, Bohemia, Czech Republic) )” James St. John / CC BY 2.0 (cropped)
- Related lab (Earth History (Nagoya University Museum) Lab): “Eurhinosaurus fossil located under the monumental staircase of the Gallery of Paleontology (French National Museum of Natural History, Paris)” Kintaro / CC BY-SA 4.0 (cropped)
- Related lab (Material Cycle Science Lab (Urumu Tsunogai)): “EA-IRMS, isotope ratio mass spectrometer with elemental analyzer for the determination of isotope ratios of stable isotopes in wines, spirits, honey and natural sweeteners, in CAFIA laboratory” Sarka Na kopci / CC BY-SA 4.0 (cropped)
- Related lab (Earth Evolution Group Lab): “AllendeMeteorite” H. Raab / CC BY-SA 3.0 (cropped)
- Related lab (Earth History – Environmental History Lab): “1 MV accelerator mass spectrometer” 作者不詳 / Public domain (cropped)
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