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Seamounts

Buchs, David, Hoernle, Kaj and Grevemeyer, Ingo 2015. Seamounts. In: Harff, Jan, Meschede, Martin, Petersen, Sven and Thiede, Jorn eds. Encyclopedia of Marine Geosciences, Springer, pp. 1-11. (10.1007/978-94-007-6644-0_34-1)
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Abstract

Seamounts are literally mountains rising from the seafloor. More specifically, they are “any geographically isolated topographic feature on the seafloor taller than 100 m, including ones whose summit regions may temporarily emerge above sea level, but not including features that are located on continental shelves or that are part of other major landmasses” (Staudigel et al., 2010). The term “guyot” can be used for seamounts having a truncated cone shape with a flat summit produced by erosion at sea level (Hess, 1946), development of carbonate reefs (e.g., Flood, 1999), or partial collapse due to caldera formation (e.g., Batiza et al., 1984). Seamounts <1,000 m tall are sometimes referred to as “knolls” (e.g., Hirano et al., 2008). “Petit spots” are a newly discovered subset of sea knolls confined to the bulge of subducting oceanic plates of oceanic plates seaward of deep-sea trenches (Hirano et al., 2006).

Item Type: Book Section
Date Type: Publication
Status: Published
Schools: Earth and Environmental Sciences
Subjects: G Geography. Anthropology. Recreation > GC Oceanography
Q Science > QE Geology
Publisher: Springer
ISBN: 9789400766440
Last Modified: 04 Jun 2017 08:09
URI: https://orca.cardiff.ac.uk/id/eprint/73612

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