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- Vesteris Seamount, also known as Vesteris Bank, is a seamount in the Greenland Sea of the North Atlantic Ocean between Greenland and Norway. It lies north of Jan Mayen and rises from 41–43 million years old ocean crust. The reasons for the volcanic activity at Vesteris are unclear and may involve lithospheric processes. It is a volcano formed chiefly by basanitic rocks and has an erosion-flattened top. The seamount is covered by lava flows and subsidiary cones. The seamount started developing no earlier than 13 million years ago and eruptions continued until the Pleistocene/Holocene transition; there were a number of eruptions in the last 60,000 years. Whether there was Holocene activity 5,000–6,000 years ago or present-day hydrothermal activity is unclear. A variety of lifeforms are found both on Vesteris Seamount and within its rocks. Layers of sponges and bryozoans cover the upper parts of the seamount and form structures like mounds. This ecosystem has been compared to coral reefs. (en)
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- Possibly hydrothermal (en)
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- Vesteris Seamount, also known as Vesteris Bank, is a seamount in the Greenland Sea of the North Atlantic Ocean between Greenland and Norway. It lies north of Jan Mayen and rises from 41–43 million years old ocean crust. The reasons for the volcanic activity at Vesteris are unclear and may involve lithospheric processes. A variety of lifeforms are found both on Vesteris Seamount and within its rocks. Layers of sponges and bryozoans cover the upper parts of the seamount and form structures like mounds. This ecosystem has been compared to coral reefs. (en)
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