SpletWhere two tectonic plates converge, if one or both of the plates is oceanic lithosphere, a subduction zone will form. An oceanic plate will sink back into the mantle. Remember, oceanic plates are formed from mantle … Spletpred toliko urami: 7 · This thin, dense layer is lodged roughly 2,000 miles (3,200 kilometers) below Earth's surface, between the core and the planet's middle layer, called the mantle.

Chapter 2 Flashcards Quizlet

SpletWhen two tectonic plates converge and one slips under the other, a/an _____ zone is formed. Subduction The process of heating the mantle from the core of the earth causes … Splet23. jan. 2024 · It is about 400–660 km below the Earth’s surface. Above the transition zone is the upper mantle. This area extends from 400 km below the surface up to the Earth’s crust layer. The upper most part of the upper mantle is called the asthenosphere. The asthenosphere is made of soft, flowing rock. intocloak

Geosystems Quiz #9 (Chapters 11 & 12) Flashcards Quizlet

Spletorigin and distribution In igneous rock: Origin of magmas Basaltic magmas that form the oceanic crust of Earth are generated in the asthenosphere at a depth of about 70 kilometres. The mantle rocks located at depths from about 70 to 200 kilometres are believed to exist at temperatures slightly above their melting point, and… plate tectonics Spletorigin and distribution In igneous rock: Origin of magmas Basaltic magmas that form the oceanic crust of Earth are generated in the asthenosphere at a depth of about 70 … SpletHeat from the mantle plume causes melting and thinning of the crust, which leads to volcanic activity at the surface. The Hawai’ian Islands are a chain of volcanoes in the middle of the Pacific Plate, which have formed due to the presence of a hot spot. The Hawai’ian hot spot causes magma to rise and erupt as lava on the ocean floor. into clause is not allowed in teradata