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Petrology Lab
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This lab studies petrology, using the ages and isotopes of rocks to explore how the Earth's crust formed.
AboutAbout the lab
Reading the history of the crust from ages and isotopes.
Associate Professor Nobuhiko Nakano specializes in petrology at the Faculty of Interdisciplinary Science and Innovation and studies how the crust of East Antarctica, Southeast Asia, and Japan formed.
Geology is the study of how the various rock formations of Japan and the world came to be, approached through fieldwork and laboratory experiments.
Using age and isotope analyses as clues, the lab investigates how the crust has evolved over long spans of time.
At the Faculty of Interdisciplinary Science and Innovation, he teaches courses such as Earth Science Practicum within the project-based research program in the Earth and Environment area.
Key terms
- Crust
- The outermost layer of the Earth, made of rock and covering its surface.
- Isotope
- Atoms of the same element that differ slightly in mass. They serve as clues to the age and origin of rocks.
- Archean
- An ancient era in Earth's history, preceding the Proterozoic.
ResearchResearch themes
The lab investigates how the crust formed and has changed over time, using fieldwork and rock analysis. Its study areas include East Antarctica, Japan, and Southeast Asia.
*Illustrative imageCrustal evolution of East Antarctica
The lab studies how the crust of East Antarctica evolved from the Archean to the Proterozoic. In 2025, it published a paper on the geology, geochemistry, and ages of outcrops in East Antarctica.
*Illustrative imageOrigins of geological belts in Japan
This research uses age and isotope analyses to rethink how the geological belts of Japan formed.
*Illustrative imageDeveloping isotope analysis methods and applying them to archaeology
The lab develops isotope analysis methods using LA-MC-ICP-MS and applies them to archaeological materials. It has a joint paper on human migration at Yayoi-period sites, based on strontium isotopes and other data.
*Illustrative imageMetamorphic rocks of Southeast Asia and the formation of the Asian continent
Focusing on Vietnam, Laos, Myanmar, and Thailand, the lab studies how the Asian continent formed, using metamorphic rocks found across Southeast Asia. It also works to clarify the physical processes that occur from the lower crust to the upper mantle in continental collision zones.
MembersFaculty
- Associate ProfessorNobuhiko Nakano
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: “Folded Metamorphic Rock on Ben Lawers in Scotland 1” Rick Johnson (Ricky Cosmos on Flickr) https://www.flickr.com/photos/rickycosmos/ / CC BY 2.0 (cropped)
- Crustal evolution of East Antarctica: “Sobral Cape, Antarctica” Coordenação-Geral de Observação da Terra/INPE / CC BY-SA 2.0 (cropped)
- Origins of geological belts in Japan: “Ergaki, Mountain lake Skazka, Rock formations, Sayan Mountains, Russia” Vyacheslav Argenberg / CC BY 4.0 (cropped)
- Developing isotope analysis methods and applying them to archaeology: “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)
- Metamorphic rocks of Southeast Asia and the formation of the Asian continent: “Fordham gneiss outcrop in Pelham Bay Park 03” Gabe29 / CC BY 4.0 (cropped)
- Related lab (Petrology Lab): “X-ray images of Igneous rock in petrology section” Aprizal1642 / CC0 (cropped)
- Related lab (Geology Lab): “Oleschnunatak gebänderter Glimmerschiefer” Calog84 / CC BY 4.0 (cropped)
- Related lab (Geology Lab): “Gneiss” No machine-readable author provided. Siim assumed (based on copyright claims). / CC BY-SA 3.0 (cropped)
- Related lab (Cytoskeletal Proteins Lab): “Actin filaments of cardiac fibroblasts” Lorenzo2697 / CC BY 4.0 (cropped)
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