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BeauTrenches are deep depressions on the ocean floor where one tectonic plate is being forced underneath another. Faults are fractures in the Earth's crust where movement has occurred, resulting in displacement of rock layers. Trenches are associated with convergent plate boundaries, while faults are common at various types of plate boundaries and within the continental crust.
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What is the difference between a transform fault and the subduction zone?
A transform fault is a boundary where two tectonic plates slide past each other horizontally. A subduction zone is where one tectonic plate is being forced beneath another. Subduction zones are associated with the occurrence of deep oceanic trenches and volcanic arcs, while transform faults are usually characterized by earthquakes.
What is the difference between ridge and horst?
A ridge is a narrow, elongated elevated landform that slopes downwards on both sides. A horst is a raised block of the Earth's crust bounded by faults on either side. In essence, a ridge is a continuous elevated feature, while a horst is a raised block that is bounded by faults.
What are 2 geological features that can occur at plate boundaries?
Two geological features that can occur at plate boundaries are mountain ranges, formed from the collision of two plates, and deep ocean trenches, formed at subduction zones where one plate is forced beneath another.
What is the difference of valleys and trenches?
Valleys are low areas of land between mountains or hills, often carved out by rivers or glaciers, while trenches are long, deep, narrow excavations in the ground, typically created for military purposes or geological exploration. Valleys are typically wider and may have flat bottoms, while trenches are narrower and deeper, often dug into the ground for a specific purpose.
What is the relationship between faults and earthquakes?
Faults are fractures in the Earth's crust where rocks have moved past each other. When the rocks along a fault suddenly shift, it can cause an earthquake. The movement along faults is what generates the energy that produces earthquakes.
