“volcanic arc”可以造什么句，volcanic arc造句

Brazil will gather aircraft debris on Fernando DE Noronha, a sparsely populated volcanic archipelago and nature reserve off its northeastern coast.

Site 782A (ODP,Leg125)lies on the eastern margin of the Izu Bonin forearc basin,about halfway between the active volcanic arc and the Izu Bonin trench in the western Pacific Ocean. The borehole 782A,476 8 m deep,was fully cored and described.