Information about Farallon Plate
The Farallon Plate was an ancient, wholly oceanic plate, which began subducting under the west coast of the North American Plate— then located in modern Utah— as Pangaea broke apart during the Jurassic period. Over time the central part of the Farallon Plate completely subducted under the southwestern part of the North American Plate. The remains of the Farallon Plate are the Juan de Fuca Plate subducting under the northern part of the North American Plate, the Cocos Plate subducting under Central America and the Nazca Plate subducting under the South American Plate.
It is thought that much of the plate initially went under North America (particularly the western United States and southwest Canada) at a very shallow angle, creating much of the mountainous terrain in the area (particularly the American Rocky Mountains). A large fragment of the subducted plate is believed to presently be in the mantle under eastern North America.
Central America (Spanish: Centroamérica or América Central) is a central geographic region of the Americas. It is variably defined either as the southern portion of North America, which connects with South America on the southeast, or a region of
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It is thought that much of the plate initially went under North America (particularly the western United States and southwest Canada) at a very shallow angle, creating much of the mountainous terrain in the area (particularly the American Rocky Mountains). A large fragment of the subducted plate is believed to presently be in the mantle under eastern North America.
See also
External links
- Reconstruction of Farallon Plate
- USGS diagram
- Pictures and animations of the subduction of the Farallon Plate at NASA's Goddard Space Flight Center:
- Animation of the Farallon subduction, with special emphasis on the effects on the surface of western North America
- Pictures of the current location of the subterranean remnants of the Farallon Plate
Oceanic crust is the part of Earth's lithosphere that surfaces in the ocean basins. Oceanic crust is primarily composed of mafic rocks, or sima. It is thinner than continental crust, or sial, generally less than 10 kilometers thick, however it is more dense, having a mean density
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subduction zone is an area on Earth where two tectonic plates meet and move towards one another, with one sliding underneath the other and moving down into the mantle, at rates typically measured in centimeters per year.
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North American Plate is a tectonic plate covering most of North America, extending eastward to the Mid-Atlantic Ridge and westward to the Cherskiy Range in East Siberia.
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State of Utah
Flag of Utah Seal
Nickname(s): Beehive State
Motto(s): "Industry"
Official language(s) English
Capital Salt Lake City
Largest city Salt Lake City
Area
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Flag of Utah Seal
Nickname(s): Beehive State
Motto(s): "Industry"
Official language(s) English
Capital Salt Lake City
Largest city Salt Lake City
Area
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Pangaea or Pangæa (IPA: /pænˈdʒiːə/[1], from παν, pan, meaning entire, and γαια, gaia, meaning Earth
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The Jurassic Period is a major unit of the geologic timescale that extends from about 199.6 ± 0.6 Ma (million years ago) to 145.4 ± 4.0 Ma, the end of the Triassic to the beginning of the Cretaceous.
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The Juan de Fuca Plate, named after the explorer, is a tectonic plate arising from the Juan de Fuca Ridge, and subducting under the northerly portion of the western side of the North American Plate.
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North American Plate is a tectonic plate covering most of North America, extending eastward to the Mid-Atlantic Ridge and westward to the Cherskiy Range in East Siberia.
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Cocos Plate (Chocos Plate) is an oceanic tectonic plate beneath the Pacific Ocean off the west coast of Central America, named for Cocos Island, which rides upon it.
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Central America (Spanish: Centroamérica or América Central) is a central geographic region of the Americas. It is variably defined either as the southern portion of North America, which connects with South America on the southeast, or a region of
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Nazca Plate, named after the Nazca region of southern Peru, is an oceanic tectonic plate in the eastern Pacific Ocean basin off the west coast of South America.
The eastern margin is a convergent boundary subduction zone under the South American Plate and the Andes
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The eastern margin is a convergent boundary subduction zone under the South American Plate and the Andes
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South American Plate is a tectonic plate covering the continent of South America and extending eastward to the Mid-Atlantic Ridge.
The easterly side is a divergent boundary with the African Plate forming the southern part of the Mid-Atlantic Ridge.
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The easterly side is a divergent boundary with the African Plate forming the southern part of the Mid-Atlantic Ridge.
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The Rocky Mountains
Countries | United States,Canada
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Moraine Lake, and the Valley of the Ten Peaks, Banff National Park, Alberta, Canada
Countries | United States,Canada
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The Kula Plate was an ancient oceanic plate, which began subducting under Alaska as Pangaea broke apart during the Jurassic period. The Kula Plate subducted under Alaska much like the Pacific Plate does.
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National Aeronautics and Space Administration
NASA logo
Motto: For the Benefit of All[1]
NASA seal
Agency overview
Formed 29 July 1958
Headquarters Washington D.C.
Annual Budget $16.
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NASA logo
Motto: For the Benefit of All[1]
NASA seal
Agency overview
Formed 29 July 1958
Headquarters Washington D.C.
Annual Budget $16.
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Goddard Space Flight Center (GSFC) is a major NASA space research laboratory established on May 1, 1959 as NASA's first space flight center. GSFC employs approximately 10,000 civil servants and contractors, and is located approximately 6.5 miles northeast of Washington, D.C.
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