downgoing wave

Игры ⚽ Нужно сделать НИР?

Oceanic trench — Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches. The oceanic trenches are hemispheric scale long but narrow topographic depressions of the sea floor. They are also the… … Wikipedia
Convergent boundary — In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of lithosphere move toward one another and collide. As … Wikipedia
Volcanic arc — Mariana Islands, an oceanic island arc A volcanic arc is a chain of volcanoes positioned in an arc shape as seen from above. Offshore volcanoes form islands, resulting in a volcanic island arc. Generally they result from the subduction of an… … Wikipedia
tottering — Synonyms and related words: Lissajous figure, alternation, ambling, ambulation, anile, back and forth, backpacking, cautious, circumspect, claudicant, collapsing, coming and going, crabbed, crawling, creeping, creeping like snail, debilitated,… … Moby Thesaurus

Словари и энциклопедии на Академике