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Applied Geology Lab
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The lab studies how ore deposits formed, with the aim of supporting the exploration and assessment of mineral resources.

AboutAbout the lab
A highly international applied geology lab.
The Applied Geology Lab studies how metallic ore deposits formed, with the aim of supporting mineral resource exploration and resource assessment.
In addition to the genesis of epithermal gold deposits and porphyry copper deposits, the lab also studies how to prevent silica scale formation at geothermal power plants.
The research is wide-ranging, from overseas ore deposit surveys in Southeast Asia, Mongolia, and North Africa to microscope observation and chemical analysis.
Students from Japan and many other countries belong to the lab, and English is constantly spoken within it.
Key terms
- Epithermal gold deposit
- A deposit formed when gold carried by hot groundwater (hydrothermal fluid) precipitated at shallow depth underground
- Porphyry copper deposit
- A deposit in which copper was concentrated by hydrothermal fluids associated with magmatic activity
- Silica scale
- Solid deposits formed when silica (a compound of silicon and oxygen) precipitates from the hydrothermal fluid of a geothermal power plant
- Fluid inclusion
- A tiny droplet of hydrothermal fluid or similar material trapped inside a mineral. Heating and cooling it reveals the temperature and salinity at the time it was trapped
NewsLab news
View More ↗ResearchResearch themes
The lab aims to clarify how ore deposits formed and to apply this to the exploration of mineral resources and the assessment of resource quantities. Its work is wide-ranging, including ore deposit surveys in Japan and overseas, geothermal resource development, experiments, and chemical analysis. It also uses a method that heats and cools fluid inclusions trapped in minerals to estimate the temperature and salinity of hydrothermal fluids.
*Illustrative imageGenesis and resource exploration of metallic ore deposits in island arcs
The lab works on clarifying the genesis of, and conducting resource exploration for, metallic ore deposits formed by magmatic activity in island arcs, such as epithermal gold deposits and porphyry copper deposits.
*Illustrative imageValuable metals in nickel laterite deposits
This research clarifies how the valuable metals associated with nickel laterite deposits behave geochemically, and evaluates the resource quantities.
*Illustrative imageOrogenic gold deposits and base metal deposits
The lab studies the genesis of orogenic gold deposits and of base metal deposits such as tin and tungsten deposits, and conducts resource exploration.
*Illustrative imagePredicting volcanic activity from volcanic ejecta
This research analyzes volcanic ejecta to predict how volcanic activity will progress in the future.
MembersFaculty
The members of the Applied Geology Lab consist of faculty, research collaborators, academic researchers, doctoral, master's, and undergraduate students, and research students.As of 2026
- ProfessorAkira Imai
- Associate ProfessorKotaro Yonezu
- Assistant ProfessorAkane Ito
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: “Quartz-gold hydrothermal vein rock (Neoarchean, 2.67 Ga; Hollinger Mine, Timmins, Ontario, Canada) 3” James St. John / CC BY 2.0 (cropped)
- Genesis and resource exploration of metallic ore deposits in island arcs: “Massive sulfide with pyrrhotite-magnetite-chalcopyrite (copper ore) (Talnakh Cu-Ni Deposit, Permian-Triassic boundary, 251 Ma; Talnakh, Norilsk Mining District, Krasnoyarsk Territory, northern Siberia, Russia) ( )” James St. John / CC BY 2.0 (cropped)
- Valuable metals in nickel laterite deposits: “K Laterite” Wilson44691; Mark A. Wilson (Department of Geology, The College of Wooster). [1] / Public domain (cropped)
- Orogenic gold deposits and base metal deposits: “Mother Lode Gold OreHarvard mine quartz-gold vein” James St. John / CC BY 2.0 (cropped)
- Predicting volcanic activity from volcanic ejecta: “Dacite ash & dacite pumice (15 June 1991 eruption of Mt. Pinatubo, Luzon Volcanic Arc, western Luzon Island, northern Philippines)” James St. John / CC BY 2.0 (cropped)
- Related lab (エネルギー資源工学研究室): “MARUM Schwarzer Raucher” MARUM − Zentrum für Marine Umweltwissenschaften, Universität Bremen / CC BY 4.0 (cropped)
- Related lab (資源処理・環境修復工学研究室): “Froth Flotation Plant at Argonne” Argonne National Laboratory's Flickr page / CC BY-SA 2.0 (cropped)
- Related lab (岩盤・開発機械システム工学研究室): “Boron mine pit” Marcin Wichary / CC BY 2.0 (cropped)
- Related lab (物理探査学研究室): “Alessio-gusmeroli-uaf-conducts-geophysical-survey-of-patterned-ground-on-the-north-slope-of-alaska o ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
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