bathymetry of the North Atlantic may become Jan Mayen Ridge and Rockall Plateau, both continental fragments;...had banks and to be artifacts. Some ("Mayda Island, white and flat") were evidently icebergs far beyond...doming. Darwin's hypothesis of volcanic- lavas island erosion, subsidence, and coral-reef formation...progressions of the volcanism along mid-Pacific island/atoll chains. However, latest it (Hudson Can-...meager data on Most of the basis of seamount/island locations their age, as well as data consistent |