TY JOUR TI Geodynamics of the Lomonosov Ridge in the Central Arctic KW Arctic region KW Cenozoic KW gravity and isostasy KW lithospheric flexure KW continental crust KW lithosphere KW role of fluids JO Russian Journal of Earth Sciences AU Artyushkov, E.V. AU Chekhovich, P.A. PY 2019 IS 19 PB Geophysical Center of the Russian Academy of Sciences