Go back to the location in Google Earth that you examined...

Go back to the location in Google Earth that you examined for question 36 (46 $5525.66 \mathrm{~N} 1520125.17 \mathrm{E}$ ). Which of the three proposed plate tectonic mechanisms would NOT occur at this location?
a. Slab pull
b. Ridge push
c. Slab suction

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Key Concepts

Plate Tectonics

Plate tectonics is the theory that Earth’s outer shell is divided into several large and small plates whose interactions cause many geological phenomena such as earthquakes, volcanic activity, and mountain building. This concept explains how the movement of these plates and the forces acting on them shape the surface of the Earth over time.

Slab Pull

Slab pull is a mechanism in plate tectonics where the dense, sinking edge of a tectonic plate, usually at a subduction zone, exerts a pulling force on the rest of the plate. This force assists in driving the motion of plates across the Earth's mantle and is considered one of the primary drivers of plate motions.

Ridge Push

Ridge push is a process that occurs at mid-ocean ridges, where the creation of new, hot, and buoyant crust causes an elevated ridge. As this crust cools, it becomes denser and slides away from the ridge, pushing the adjacent plates. This force contributes to the overall movement of tectonic plates away from divergent boundaries.

Slab Suction

Slab suction refers to the additional force generated by the mantle flow that is induced by the sinking of a subducting slab. As the slab descends, it creates a circulation in the surrounding mantle that effectively 'sucks' the overriding plate toward the subduction zone, augmenting the motion caused by slab pull.

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