the Normal Oceanic Mantle Project
a symposium on
"Structure and Dynamics of
the Oceanic Lithosphere/Asthenosphere System"
H. UTADA & H.
March 3-6, 2015
Matsushima Taikanso, Miyagi, Japan
Plate tectonics was developed nearly 50 years ago, yet the detail of the
mechanism how it works is still poorly known. In recent years, the elucidation
of the oceanic lithosphere/asthenosphere system has become one of the hot
topics in solid earth science, and a great variety of views are proposed
and discussed. To advance our science beyond, new data from the ocean floor
appear essential, as plate tectonics first started as a "theory of
ocean". We have been carrying out a research project "Normal Oceanic Mantle"
(NOMan project) http://www.eri.u-tokyo.ac.jp/yesman/what_is_it.html) to conduct innovative observations in the "normal" ocean floor
toward elucidating the lithosphere/asthenosphere system in the ocean and
understanding of the mantle dynamics therein. The typical ocean floor should
be the best window to reveal the fundamental features of our planet, and
high-quality geophysical data are now being accumulated. Considering that
many other fascinating ocean floor observations were conducted, we held
the first workshop in March, 2013 where
we exchanged and discussed the up-to-date results about the structure and
dynamics in the oceanic regions. In this final symposium of the NOMan project, we
will not only discuss these issues, but also hope to compare results for
synthesis which may lead us to new directions and collaborations. We welcome
papers on the observation technologies, views of the oceanic lithosphere/asthenosphere
system, the strategies for interpretation of the observations (including
seismic and/or electrical conductivity anisotropy), constraints/ideas on the role and
abundance of water/melt in the mantle (including the transition zone), and
other related topics for elucidating this enigmatic system.
Venue and Access:
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List of Participants (registered):
Final Circular is now available.
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T. Becker (USC), G. Ekstrom (LDEO), R. Evans (WHOI), D. Forsyth (Brown
J. Gaherty (LDEO), F. Gailard (CNRS), M. Hirschman (University of Minnesota),
B. Holtzman (LDEO),
S. Karato (Yale University), T. Katsura (University of Bayreuth), S. Kodaira
J.P. Montagner (IPGP), K. Rychert (University of Southermpton), N. Schmmer (University of Maryland),
S. Singh (IPGP), T.A. Song (UCL), T. Stern (VUW), P. Tarits (UBO), A. Tommasi
(Univ of Montpellier)
K. Baba, T. Hiraga, T. Isse, H. Kawakatsu, A. Shito, H. Shiobara, Y. Takei,
A. Takeo, H. Utada
H. Kawakatsu (chair), K. Baba, T. Becker, D. Forsyth, T. Hiraga, J.P. Montagner,
H. Utada (chair), D. Suetsugu (co-chair), H. Shiobara, N. Takeuchi, H.
Shimizu, T. Isse, K. Baba;
J. Odawara, H. Umeda (Secretariat)