: a submarine mountain rising above the deep-sea floor
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The issue was further complicated by the fact that less than one-tenth of one percent of the world’s seamounts has been explored with any significant detail, even as they are found in every world ocean basin.—Peter Suciu, Forbes.com, 2 June 2026 The symbiotic worm was found on a volcanic seamount in the Shichiyo Seamount Chain, Japan, at a depth of 2,595 feet.—Gina Kalsi, PEOPLE, 22 May 2026 Over millions of years, metals in the surrounding seawater form coatings of iron and manganese oxides, with thicknesses ranging from a few millimeters to a few decimeters, depending on the age of the seamounts.—Leonardo MacElloni, The Conversation, 10 Mar. 2026 These cobalt crusts are found on seamount slopes, which contain vital metals such as cobalt, nickel, and platinum.—Mrigakshi Dixit, Interesting Engineering, 7 Nov. 2025 See All Example Sentences for seamount