Geological Survey of Japan (GSJ)
Technology and Information Services
Main
Activities
 Geologic investigation of the land and surrounding marine areas; Investigation of geologic environments and geologic hazards, based on geoscientific aspects; Evaluation and research of underground resources; International research and technical cooperation in the fields of geology and mineral resources; Development of fundamental techniques for earth science studies; Dissemination of earth science information to the public.
Technology
Consultation
 GSJ welcomes technical inquiries by letter, fax and e-mail. A meeting for consultation may also be arranged.
GSJ Consulting Office: Fax 0298-61-3569 E-mail soudan@ccmail.gsj.go.jp
Technical
Cooperation
 GSJ supports technical cooperation projects, founded by the Japan International Cooperation Agency (JICA), and has dispatched many researchers to developing countries.
Publications
Journals and Reports:
Bulletin of the GSJ (Monthly); Report of the GSJ (Irregular);
Technical and scientific report of special projects (Irregular);
Cruise Report (Irregular);
CCOP Technical Bulletin (Irregular);
Geology News (Monthly, in Japanese).
Maps:
Geological Maps (1:50,000 Quadrangle series with explanatorytexts, 1:200,000, 1:500,000, etc.), Tectonic and Neotectonic Maps (1:50,000 to 1:500,000), Marine Geology Maps, Miscellaneous Thematic Maps (Volcanic, Geothermal, Hydrogeologic, Mineral resources, Fuel resources, Aeromagnetic, Gravity and Geochemical, etc.)

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Geological Museum
The Museum is designed to introduce the GSJ activities and to disseminate the fruits of geoscientific research to the public, through sophisticated displays of samples of rocks, minerals, and fossils.
Open: 9:30 to 16:30 Monday to Friday, and the second and fourth Saturdays of the month (Closed on national holidays and December 28th to January 3rd).
(Free of admission charge)