last update 2022.07.27
Research achievement
The page provides a link to ResearcherID.com (ResearcherID: B-9808-2009 / Orcle ID: http://orcid.org/0000-0002-0770-3273).
Proceedings, bulletins, bulletin reports, books, magazines, etc...
First speaker
Database provided by Geochemistry Group, Geological Survey of Japan, AIST
The database provides terrestrial and marine geochemical baseline of 53 elemental concentrations in Japan Island Arc region.
GSJ Geochemical reference materials
Geological Survey of Japan (GSJ), AIST has issued 43 reference samples (igneous rocks, sedimentary rocks, sediments, and ores) for the analysis of elements, isotopic compositions and isotopic ages. The database summarizes an outline of a sample, processing, compiled data and so on.
Database and publications provided by Geological Survey of Japan, AIST
23 databases are available. Two databases provided by Geochemistry Group are listed above.
Awards
2022/07/13: Ohta, A., Imai, N., Okai, T., Manaka, M., Kubota, R., Nakamura, A., and Tachibana, Y. "New geochemical data set of 53 elements in stream sediments classified by the dominant lithology in a drainage basin" (doi:10.2343/geochemj.2.0618) was recieved 2022 Geochemical Journal Award by Geochemical Society of Japan. (award lecture).
2010/04/05: Geochemistry Group (Imai, N., Okai, T., Terashima, S., Mikoshiba, M. and Ohta, A.) was received Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Prizes for Science and Technology (in Development Category) for its development of Certified Geochemical Reference Materials.
2005/09/27: Ohta A. was received Geochemical Society of Japan Award for Young Researchers, for Experimental and theoretical studies of REE partitioning between Fe hydroxide and Mn oxide and seawater (Ohta, A., 2006. Geochemistry, 40, 13-30 (in Japanese with English abstract). [pdf]*)
2005/05/26: Geochemistry Group (Imai, N., Terashima, S., Mikoshiba, M., Ohta, A. and Tachibana, Y.) was received Environmental Award by Nikkan Kogyo Shimbun, Ltd. and the Hitachi Environment Foundation for Japanese Geochemical mapping.