Geological process in which the oceanic lithosphere is recycled into the Earth's mantle at convergent boundaries. Where the oceanic lithosphere of a tectonic plate converges with the less dense lithosphere of a second plate, the heavier plate dives beneath the second plate and sinks into the mantle. Wikipedia
Scientific theory describing the large-scale motion of the plates making up the Earth's lithosphere since tectonic processes began on Earth between 3.3 and 3.5 billion years ago. Idea developed during the first decades of the 20th century. Wikipedia
Conical volcano built up by many layers of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and periodic intervals of explosive eruptions and effusive eruptions, although some have collapsed summit craters called calderas. Wikipedia
The Cascade Volcanoes (also known as the Cascade Volcanic Arc or the Cascade Arc) are a number of volcanoes in a volcanic arc in western North America, extending from southwestern British Columbia through Washington and Oregon to Northern California, a distance of well over 700 mi. The arc formed due to subduction along the Cascadia subduction zone. Geologic grouping rather than a geographic one, and the Cascade Volcanoes extend north into the Coast Mountains, past the Fraser River which is the northward limit of the Cascade Range proper. Wikipedia
Sentences forvolcanic arc
- The two mountains, as well as Moslavačka gora, west of Pakrac, are possible remnants of a volcanic arc related to Alpine orogeny—uplifting of the Dinaric Alps.Slavonia-Wikipedia
- The rising magma intrudes into the crust above and exits the Earth's crust through volcanoes in the form of a volcanic arc.2004 Indian Ocean earthquake and tsunami-Wikipedia
- Most of them are part of a long, partially volcanic island arc between the Greater Antilles to the north-west and the continent of South America.Lesser Antilles-Wikipedia
- Magmatism associated with subduction occurred not near the plate edges (as in the volcanic arc of the Andes, for example), but far to the east, called the Coast Range Arc.Laramide orogeny-Wikipedia
- A volcanic arc on the surface of the Kula Plate was thus accreted and fused onto the western edge of North America.Vancouver Island-Wikipedia
- This approximately 1000 kilometer long, 90–230 km broad structure is an east–west, active, continental volcanic arc; encompassing an area of approximately 160,000 km2.Trans-Mexican Volcanic Belt-Wikipedia
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