description Bear Seamount Overview
Bear Seamount is an extinct submarine volcano and the oldest and westernmost member of the New England Seamount chain in the North Atlantic Ocean. It formed approximately 100 million years ago, likely as the North American Plate moved over a mantle plume. Erosion has since reduced it to a flat-topped guyot. The seamount provides habitat for deep-sea corals, sponges, and associated fish species.
help Bear Seamount FAQ
What exactly is the Bear Seamount?
Bear Seamount is an extinct submarine volcano located in the North Atlantic Ocean. It is classified geologically as a guyot, which is a flat-topped seamount. It rests deep beneath the ocean waves, far from the continental shelf.
How old is the Bear Seamount?
The seamount formed approximately 100 million years ago during the Cretaceous period. It is the oldest member of the New England Seamount chain. Its age is determined by studying the magnetic anomalies of the ocean crust.
Where is Bear Seamount located within the Atlantic Ocean?
It is the oldest and westernmost member of the New England Seamount chain. The chain extends from the continental shelf of North America out into the Atlantic. Bear Seamount is the first major peak in this long underwater mountain range.
How was the Bear Seamount originally formed?
It was likely formed as the North American Plate moved over a stationary mantle plume. As the tectonic plate shifted over millions of years, the volcano became extinct. Erosion has since reduced its peak, flattening it into a guyot.
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