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Definitions for "Volcanic arc"
Keywords:  subduction, continent, magma, chain, island
Related Terms: Island arc, Rift zone, Oceanic crust, Terrane, Continental crust, Geosyncline, Rift, Sea-floor spreading, Spreading center, Ophiolite, Fault, Angular unconformity, Suture, Disconformity, Mid-ocean ridge, Flood basalt, Faulting, Syncline, Subduction, Volcano, Mantle plume, Caldera, Highlands, Oceanic ridge, Thrust , Rifting, Volcanic cone, Shield, Plate boundary, Orogeny, Orogenic belt, Seafloor spreading, Slumping, Plate, Subduction zone, Batholith, Benioff zone, Dip slope, Melange, Convergent plate boundary, Laccolith, Plates, Unconformity, Shear zone, Cinder cone, Slide, Volcanic bomb, Passive margin, Regional metamorphism
A curving chain of active volcanoes formed adjacent to a convergent plate boundary.
wwnorton.com
A generally curved linear belt of volcanoes above a subduction zone, and the volcanic and plutonic rocks formed there.
volcano.und.edu
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; island arc - syn.
ucmp.berkeley.edu
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