In marine geology, a guyot, also called a tablemount, is an isolated underwater volcanic mountain with a flat top more than 200 m below the surface of the sea. The diameters of these flat summits can

The Bear Seamount is a guyot or flat-topped underwater volcano in the Atlantic Ocean. It is the oldest of the New England Seamounts, which was active more than 100 million years ago. It was formed whe