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Flashcards - Plate Tectonics, Continental Drift & Ocean Formations

Flashcards - Plate Tectonics, Continental Drift & Ocean Formations
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lithosphere
A lithosphere is the rigid, outermost shell of a terrestrial-type planet or natural satellite that is defined by its rigid mechanical properties
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mantle
The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies
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plates
A plate is a broad, concave, but mainly flat vessel on which food can be served
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faults
In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock mass movement
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supercontinent
In geology, a supercontinent is the assembly of most or all of Earth's continental blocks or cratons to form a single large landmass
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Pangaea
Pangaea or Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras
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Pangaea
Pangaea or Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras
supercontinent
In geology, a supercontinent is the assembly of most or all of Earth's continental blocks or cratons to form a single large landmass
faults
In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock mass movement
plates
A plate is a broad, concave, but mainly flat vessel on which food can be served
mantle
The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies
lithosphere
A lithosphere is the rigid, outermost shell of a terrestrial-type planet or natural satellite that is defined by its rigid mechanical properties
asthenosphere
The asthenosphere is the highly viscous, mechanically weak and ductilely deforming region of the upper mantle of the Earth
divergent boundary
In plate tectonics, a divergent boundary or divergent plate boundary is a linear feature that exists between two tectonic plates that are moving away from each other
transform boundary
A transform fault or transform boundary , is a type of fault whose relative motion is predominantly horizontal, in either a sinistral or dextral direction
Ocean basins
In hydrology, an oceanic basin may be anywhere on Earth that is covered by seawater, but geologically ocean basins are large geologic basins that are below sea level
oceanic ridges
A mid-ocean ridge is an underwater mountain system formed by plate tectonics
rift valley
A rift valley is a linear-shaped lowland between several highlands or mountain ranges created by the action of a geologic rift or fault
sea floor spreading
Seafloor spreading is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge

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