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the process of physically changing the earth’s crust as a result of tectonic forces
very thick and sticky magma having high viscosity due to cooler temperatures, high silica content (SiO2), high gas content, and low concentrations of iron and magnesium that produces extremely violent volcanic eruptions
the point on the earth’s surface directly over the focus of an earthquake
a large section of the earth’s crust that moves and carries everything on it
an arc-shaped chain of small volcanic islands off the coast of Alaska formed by subduction processes along an oceanic-oceanic convergent boundary
mid ocean ridge in the middle of the Atlantic Ocean responsible for pushing apart the continents of Africa and S. America
an area on the earth’s surface where the edges of tectonic plates are interacting
active volcanic mountain range located in the Northwest United States formed by the subduction zone between the Juan de Fuca and North American plates that produces volcanic hazards for California
underwater mountain range that is hundreds of miles long in the middle of the ocean providing evidence that Earth's tectonic plates are moving away from each other at a divergent plate boundary as mantle magma rises to form new crust
the process of Earth materials separating and sorting by density resulting in a layered structure with the densest material (Fe & Ni) settling in the core
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Deformation
the process of physically changing the earth’s crust as a result of tectonic forces
Cascade Mountain Range
active volcanic mountain range located in the Northwest United States formed by the subduction zone between the Juan de Fuca and North American plates that produces volcanic hazards for California
Mid Ocean Ridge
underwater mountain range that is hundreds of miles long in the middle of the ocean providing evidence that Earth's tectonic plates are moving away from each other at a divergent plate boundary as mantle magma rises to form new crust
Differentiation
the process of Earth materials separating and sorting by density resulting in a layered structure with the densest material (Fe & Ni) settling in the core
Tectonic Plates
a large section of the earth’s crust that moves and carries everything on it
Epicenter
the point on the earth’s surface directly over the focus of an earthquake
Granitic Magma
very thick and sticky magma having high viscosity due to cooler temperatures, high silica content (SiO2), high gas content, and low concentrations of iron and magnesium that produces extremely violent volcanic eruptions
Mid Atlantic Ridge
mid ocean ridge in the middle of the Atlantic Ocean responsible for pushing apart the continents of Africa and S. America
Aleutian Islands
an arc-shaped chain of small volcanic islands off the coast of Alaska formed by subduction processes along an oceanic-oceanic convergent boundary
