Definition of back-arc in English:
Relating to or denoting the area behind an island arc: back-arc basin
More example sentences
- The Kinik rocks have characteristics of ophiolites formed in oceanic or back-arc basins rather than island-arc settings based on a number of observations.
- Deformation is complex, with normal faulting and strike-slip faulting in the geomorphological back-arc basin.
- What remains unclear is whether the rocks formed in an open ocean or a marginal back-arc basin associated with a subduction zone.