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What is the outcome of the collision between oceanic and continental crust?
Usually subduction of the denser thinner oceanic crust under the lighter thicker continental crust. This also produces a row of volcanoes in the continental crust producing lava high in water content and resulting in explosive eruptions.
What process is evident at oceanic trenches?
subduction, which is when one tectonic plate is pushed down beneath another tectonic plate.
What is a subduction zone and how can you identify whether you live near one?
A subduction zone is the area where an oceanic plate is being pushed downward in a collision with a continental plate. There is usually an offshore trench and several inland volcanos whose eruptions are of the explosive type (due to trapped water in the lava). Another form of subduction zone produces island arcs containing volcanos instead of producing inland volcanos.
Convergent boundaries that produce maintains boundary produces?
Convergent boundaries that produce maintains are called subduction zones.
What ate the differences between pahoehoe and Aa what kind of eruption produces these types of lava?
Pahoehoe and AA lava are produced by quiet eruptions. This means that instead of a blast or explosion, the lava just flows out of the volcano. Pahoehoe lava is hot and flows quickly. AA lava is cooler in temperature and doesn't flow as quickly.
Places where the seafloor is forced under continental plates?
The region where the seafloor is forced beneath the continental plate is called a subduction zone. When the seafloor descends down it produces a deep-ocean trench.
How are the mountains that are formed by subduction diffrent from mountains formed by continental crusts converging?
Subducting crust produces volcanoes and a narrow range of mountains (like the Andes). Continental convergence does not produce volcanoes and produces a wider range of mountains (Rockies or Himalayas).
Magma that is low in silica generally produces what kind of eruption?
It produces a quiet eruption.
What is the outcome of the collision between oceanic and continental crust?
Usually subduction of the denser thinner oceanic crust under the lighter thicker continental crust. This also produces a row of volcanoes in the continental crust producing lava high in water content and resulting in explosive eruptions.
What are the differences between pahoehoe and AA What kind of eruption produces these type of lava?
The differences are that Pahoehoe produces fast moving lava; Aa produces slower moving lava. The kind of eruption that produces these types of lava is a quiet eruption.
What process is evident at oceanic trenches?
subduction, which is when one tectonic plate is pushed down beneath another tectonic plate.
Which natural event produces aerosols?
A volcanic eruption.
Volcanoes can erupt due to the blank of plates that produces heat for the rock to melt?
Subduction.
What produces deep sea trenches?
A process known as subduction creates deep sea trenches.
What kind of eruption produces AA?
A'a is associated with effusive (quiet) eruptions.
What kind of eruption produces pahoehoe and AA types of lava?
Quiet eruptions
What process produces deep-sea trenches?
A process known as subduction creates deep sea trenches.
