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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.
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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; ...
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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, ...
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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.
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Ice, Ice Age, Ice Lense, Ice Wedge, Igneous Intrusion, Igneous Rock, Illuviation, Infiltration, Inner Core, Inorganic, Insolation Weathering, Interglacial, Intrusive Igneous Rock, Ion, Island Arc, Isostacy, Isostatic Rebound, Joint, ...
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 See also: Origin, Region, Volcanic, Feature, Plate
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