Definition of island arc in English:

island arc

noun

Geology

A curved chain of volcanic islands located at a tectonic plate margin, typically with a deep ocean trench on the convex side.
Example sentencesExamples
- One model predicts tectonic wedging of the Solomon island arc beneath the Ontong Java plateau.
- The basalt-chert succession points more probably to an island arc developed on oceanic crust.
- These units originated as an oceanic plateau possibly formed atop an island arc before being accreted onto the Cordilleran orogen.
- The source for the conglomerate clasts was probably an island arc that was uplifted in the Early Devonian.
- This may reflect that there has been some influx of material from a juvenile island arc.

Definition of island arc in US English:

island arc

noun

Geology

A curved chain of volcanic islands located at a tectonic plate margin, typically with a deep ocean trench on the convex side.
Example sentencesExamples
- The source for the conglomerate clasts was probably an island arc that was uplifted in the Early Devonian.
- One model predicts tectonic wedging of the Solomon island arc beneath the Ontong Java plateau.
- The basalt-chert succession points more probably to an island arc developed on oceanic crust.
- These units originated as an oceanic plateau possibly formed atop an island arc before being accreted onto the Cordilleran orogen.
- This may reflect that there has been some influx of material from a juvenile island arc.

单词	island arc
释义	Definition of island arc in English: island arc noun Geology A curved chain of volcanic islands located at a tectonic plate margin, typically with a deep ocean trench on the convex side. Example sentencesExamples One model predicts tectonic wedging of the Solomon island arc beneath the Ontong Java plateau. The basalt-chert succession points more probably to an island arc developed on oceanic crust. These units originated as an oceanic plateau possibly formed atop an island arc before being accreted onto the Cordilleran orogen. The source for the conglomerate clasts was probably an island arc that was uplifted in the Early Devonian. This may reflect that there has been some influx of material from a juvenile island arc. Definition of island arc in US English: island arc noun Geology A curved chain of volcanic islands located at a tectonic plate margin, typically with a deep ocean trench on the convex side. Example sentencesExamples The source for the conglomerate clasts was probably an island arc that was uplifted in the Early Devonian. One model predicts tectonic wedging of the Solomon island arc beneath the Ontong Java plateau. The basalt-chert succession points more probably to an island arc developed on oceanic crust. These units originated as an oceanic plateau possibly formed atop an island arc before being accreted onto the Cordilleran orogen. This may reflect that there has been some influx of material from a juvenile island arc.
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