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Geochemistry Lab
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This lab uses geochemistry to analyze elements and isotopes in rocks and archaeological materials, exploring the Earth and human history.

AboutAbout the lab
Exploring the Earth's interior and human history through elements and isotopes.
Associate Professor Ryoko Senda uses geochemical methods to study the internal structure of the Earth, as well as its chemical composition and evolution.
The lab draws on techniques for analyzing trace elements and isotope ratios in various inorganic samples with high precision.
Using the same methods, the lab has also begun analyzing archaeological materials in collaboration with archaeologists, extending its research to human history.
Key terms
- Isotope ratio
- The proportion of atoms of different masses within the same element. It serves as a clue to the history and origin of a sample.
- Platinum-group elements
- A group of elements related to platinum. Osmium is one of them.
- Mantle
- The layer of rock inside the Earth that lies beneath the crust.
ResearchResearch themes
The lab carries out its research using techniques that analyze trace elements and isotope ratios in various inorganic samples with high precision. Its subjects are the movement of material in the Earth's mantle and the history and origin of volcanic rocks, and it has extended into the analysis of archaeological materials.
*Illustrative imageTracing the provenance and history of archaeological materials
The lab analyzes trace elements and isotope ratios in items such as pottery and bronze ware, with a view to developing methods for determining their provenance and history. It works with archaeologists to analyze archaeological materials.
*Illustrative imageUnderstanding material cycling in the mantle
Using isotope ratios of osmium, one of the platinum-group elements, the lab investigates how elements and material have moved within the Earth's mantle. It also studies the history and origin of volcanic rocks.
MembersFaculty
- Associate ProfessorRyoko Senda
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: “archaeological artifacts found in Biała” Silar / CC BY-SA 4.0 (cropped)
- Tracing the provenance and history of archaeological materials: “Ancient Greece Early Bronze Age Pottery ( )” Gary Todd from Xinzheng, China / CC0 (cropped)
- Understanding material cycling in the mantle: “Peridotite mantle xenolith in phonotephrite (Peridot Mesa Flow, Middle Pleistocene, 580 ka; Peridot Mesa, San Carlos Volcanic Field, Arizona, USA) 12” James St. John / CC BY 2.0 (cropped)
- Related lab (Geochemistry Lab): “Mantle Xenolith - geograph.org.uk - 3004602” Robert Stalham / CC BY-SA 2.0 (cropped)
- Related lab (River Hydrology and Biogeochemistry Lab): “Pangboche, Mountain stream, Nepal” Vyacheslav Argenberg / CC BY 4.0 (cropped)
- Related lab (Geophysics Lab): “Tavurvur volcano edit” Taro Taylor edit by Richard Bartz / CC BY 2.0 (cropped)
- Related lab (Molecular Evolution Lab): “Mikrofoto.de-Hydra 15” Frank Fox / CC BY-SA 3.0 de (cropped)
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