Lemkein is a
seamount
A seamount is a large geologic landform that rises from the ocean floor that does not reach to the water's surface (sea level), and thus is not an island, islet or cliff-rock. Seamounts are typically formed from extinct volcanoes that rise abru ...
in the
Western Pacific Ocean, west of
Kwajalein.
It is part of the
Magellan Seamounts and is a
volcanic seamount covered with sediments.
Ferromanganese crusts occur in some places.
s in the form of
pillow lavas altered to
clay and
zeoliths have been recovered from Lemkein. Like other Magellan Seamounts, it formed south of the equator and was moved to its present-day position by
plate tectonic
Plate tectonics (from the la, label=Late Latin, tectonicus, from the grc, τεκτονικός, lit=pertaining to building) is the generally accepted scientific theory that considers the Earth's lithosphere to comprise a number of large te ...
s.
References
Sources
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Seamounts of the Pacific Ocean
Landforms of the Marshall Islands
Extinct volcanoes
{{Marshalls-geo-stub