forearc en · NOUN
Etymology
Etymology tree English fore- Proto-Indo-European *h₂erkʷ- Proto-Indo-European *h₂erkʷos Proto-Italic *arkuos Latin arcus Old French arcbor. Middle English ark English arc English forearc From fore- + arc.
Meanings
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A region of raised rock debris which forms between the subduction zone and any associated volcano or volcanic chain.
These offshore Sonoman mountains likely formed an orogenic (mountainous) barrier to moisture inland, resulting in a mountain-shadow onshore desert punctuated by regional annual and large basin perennial streams draining into a forearc saline sea.
2012, Chinle Miller, “The Tectonic Forces of the Mesozoic”, in In Mesozoic Lands: The Mesozoic Geology of Arches and Canyonlands National Parks, Kindle edition, page 34:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| forearcs | Number=Plur | lexicographic |