TY JOUR TI The Arctic rift system and the boundary between the Eurasian and North American lithospheric plates: New insight to plate tectonic theory KW lithospheric plates KW Arctic rift system KW plate tectonic theory KW Gakkel Ridge. JO Russian Journal of Earth Sciences AU Grachev, A.F. PY 2003 IS 5 PB Geophysical Center of the Russian Academy of Sciences