TY JOUR TI The use of GIS technologies for the classification ofunderwater topography and estimation of their oreproduction (on the example of the Magellan seamounts,the Pacific Ocean) KW Geoinformatic KW GIS-technology KW oceanicvolcanism KW seamount KW underwater ore deposits JO Russian Journal of Earth Sciences AU Chesalova, E.. PY 2021 IS 21 PB Geophysical Center of the Russian Academy of Sciences