Eijun Ohta's Home Page

Warning!!! The contents in this document is old and are not kept up to date

My friendly bear
To my Japanese page

My favorite shots: Zn-In sulfide from the Toyoha mine


Hi! Welcome to my home. Please watch your step and head. This page is always under slow construction.

I have been trying to figure out how and why ore deposits form in particular site on earth. If you are interested in any of the subject below, please feel free to visit them.

Toyoha's ore Toyoha Mine -- The largest indium producer.
Geological map of Hokkaido Geological map of Hokkaido --- Click the image and you will see an interactive geological map. If you like the map, I suggest you to take a look at the 1:200,000 Seamless Digital Geological Map of Hokkaido.
Geological map of Japan Geological map of Japan --- Just look at it. You can see details of the map here 1:200,000 Seamless Digital Geological Map of Japan.
Metal deposits in Hokkaido Metal deposits in Hokkaido --- Distribution of hydrothermal metal deposits in Hokkaido. deposits
Metal deposits in Japan Metal deposits in Japan --- Distribution of Tertiary to Quaternary metal deposits of Japan.
Other metal deposits in Hokkaido Metal deposits in Japan --- Distribution of Cretaceous to Tertiary metal deposits of Japan.

You can find me at: Sapporo Ohdori Site of AIST Hokkaido
Showa Building, Odori Nishi5-8, Sapporo, 060-0042 Japan

  Caution: Remove the "AIST" below to get my real mail address.
You can reach me by e-mail at: AISTohta-e@aist.go.jp
and Fax: +81 (0)11 219-3351

Links to other good sites

--- Japanese Sites ---
National Institute of Advanced Industrial Science and Technology of Japan
Geological Survey of Japan Main Page
Geographical Survey Institute of Japan
Hokkaido University
Japan Oil, Gas and Metals National Corporation

--- Foreign Sites ---
United States Geological Survey
American Geophysical Union
Geological Society of America
Volcano World
Smithsonian Institution