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island arc -- n. A curved chain of islands that rise from the sea floor, usually near a continent. The convex side usually faces the open ocean, while the concave side usually faces the continent, e.g.
island arc A curved belt of volcanic islands lying above a subduction zone. compare continental arc.
Age, Ice Lense, Ice Wedge, Igneous Intrusion, Igneous Rock, Illuviation, Infiltration, Inner Core, Inorganic, Insolation Weathering, Interglacial, Intrusive Igneous Rock, Ion, Island Arc, ...
Galapagos Islands: An island archipelago in the Pacific Ocean west of the mainland; famed for the studies by Charles Darwin that led to this theory of evolution through natural selection (note: evolution was not a theory original with Darwin; ...
A terrane is a structural geology term that applies to large masses of rock - island arcs, subcontinental fragments of crust broken loose from tectonic plates, ...
The great triangle of Polynesia, connecting Hawaii, Easter Island, and New Zealand, encompasses the island arcs and clusters of the Cook Islands, Marquesas, Samoa, Society, Tokelau, Tonga, Tuamotu, Tuvalu & Wallis and Futuna islands.
 See also: Plate, Volcanic, Region, Origin, Feature
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