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Born in 1945 in Tokyo. Dr. of Sci. in 1972 from Hokkaido Univ. Work history: Chief Eng. Kokusai Kogyo Co. Tokyo – marine geophysical survey/geological mapping; Post-Doctoral Fellow/Assis. Prof. Univ. of Miami – carbonate sedimentology; Australian Bureau of Mineral Resources, Canberra – marine heat flow/continental margin geology; Independent Consulting Geologist; From 1991 to present, Managing Director, Raax Australia Pty Ltd. – borehole imaging and geological analysis; Editor-in-Chief, New Concepts in Global Tectonics Journal (www.ncgtjournal.com); Director of Research, International Earthquake and Volcano Prediction Center (www.ievpc.org), Operations Center, Canberra, Australia. Fields of interest: Earthquake prediction, sunken continents, global tectonics.

For over two decades, under the leadership of the NCGT Journal Founder and Editor-in-Chief, Dr. Dong Choi, the NCGT Journal has been a beacon of light for researchers needing a voice and platform to publish their research and offer new concepts that pushed boundaries and challenged established thinking. The "new" NCGT Journal is committed to that same general purpose.

The NCGT Journal has evolved over the years from a journal focused on tectonics to one that now addresses other fields, for example: climatology, seismology, oceanography, solar and solar system physics, and earth sciences.

It is our fondest hope that those who want a source for innovation in these and other fields of research, will continue to support the NCGT Journal as it creates the commercial base to become a lasting pillar of knowledge for tomorrow's "evidence-based" science.

                           "What is today's contrarian science, may become tomorrow's established science."

                      WELCOME TO THE WEB SITE FOR THE
         NEW CONCEPTS IN GLOBAL 
  TECTONICS                                             (NCGT) JOURNAL


Based on marketing experiments during 2017, the following changes were made in the distribution policy of the journal:
1) The journal is distributed primarily to subscribers, at discounted rates described below.
2) It is also available to non-subscribers with a new price structure: U$8.95 per issue starting with the December 2017 issue. Back issues remain the same price: U$2.00 each for the last three issues (Vol. 5, No. 1 to 3), and U$1.00 before that (Vol. 1, No. 1 to Vol. 4, No. 4).
3) All NCGT Newsletter issues are now free.

The new subscription fee is U$30 for one year. Longer-term subscriptions are discounted even more: the three-year subscription is U$81, and the five-year subscription is U$120.

Order a subscription or individual issues from the corresponding links in the navigation menu above. 

Sea-urchin spike model that best explains the formation of the Caribbean dome. Left figure, electrodynamic model of “sea-urchin spike.” Right figure, Cowling dynamo. For more details, see Gregori (NCGT Journal, v. 6, no. 1, p. 21-36).