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Juan de Fuca Ridge, the Glossary

Index Juan de Fuca Ridge

The Juan de Fuca Ridge is a mid-ocean spreading center and divergent plate boundary located off the coast of the Pacific Northwest region of North America, named after Juan de Fuca.[1]

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Table of Contents

  1. 36 relations: Accretion (geology), Anaerobic organism, Axial Seamount, Cabled observatory, Cape Flattery, Cascadia Channel, Cascadia subduction zone, Cocos Plate, Deformation (physics), Dike (geology), Divergent boundary, Explorer Ridge, Farallon Plate, Forearc, Geology of the Pacific Northwest, George Belknap, Gorda Ridge, Hydrothermal vent, Juan de Fuca, Juan de Fuca Plate, Megathrust earthquake, Mid-ocean ridge, Moment magnitude scale, National Science Foundation, Nazca Plate, North American Plate, Ocean Observatories Initiative, Overlapping spreading centers, Pacific Northwest, Pacific Plate, Pacific-Farallon Ridge, Plate tectonics, Sheeted dyke complex, Sloop-of-war, Submarine volcano, Undersea mountain range.

  2. Geology of British Columbia
  3. Geology of Washington (state)
  4. Underwater ridges of the Pacific Ocean
  5. West Coast of Vancouver Island

Accretion (geology)

In geology, accretion is a process by which material is added to a tectonic plate at a subduction zone, frequently on the edge of existing continental landmasses.

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Anaerobic organism

An anaerobic organism or anaerobe is any organism that does not require molecular oxygen for growth.

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Axial Seamount

Axial Seamount (also Coaxial Seamount or Axial Volcano) is a seamount, submarine volcano, and underwater shield volcano in the Pacific Ocean, located on the Juan de Fuca Ridge, approximately west of Cannon Beach, Oregon.

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Cabled observatory

A cabled observatory is a seabed oceanographic research platform connected to land by cables that provide power and communication.

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Cape Flattery

Cape Flattery is the northwesternmost point of the contiguous United States.

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Cascadia Channel

Cascadia Channel is the most extensive deep-sea channel currently known (as of 1969) of the Pacific Ocean.

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Cascadia subduction zone

The Cascadia subduction zone is a fault at a convergent plate boundary, about off the Pacific coast, that stretches from northern Vancouver Island in Canada to Northern California in the United States. Juan de Fuca Ridge and Cascadia subduction zone are geology of British Columbia and geology of Washington (state).

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Cocos Plate

The Cocos Plate is a young 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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Deformation (physics)

In physics and continuum mechanics, deformation is the change in the shape or size of an object.

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Dike (geology)

In geology, a dike or dyke is a sheet of rock that is formed in a fracture of a pre-existing rock body.

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Divergent boundary

In plate tectonics, a divergent boundary or divergent plate boundary (also known as a constructive boundary or an extensional boundary) is a linear feature that exists between two tectonic plates that are moving away from each other.

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Explorer Ridge

The Explorer Ridge is a mid-ocean ridge, a divergent tectonic plate boundary located about west of Vancouver Island, British Columbia, Canada. Juan de Fuca Ridge and Explorer Ridge are underwater ridges of the Pacific Ocean.

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Farallon Plate

The Farallon Plate was an ancient oceanic tectonic plate.

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Forearc

Forearc is a plate tectonic term referring to a region in a subduction zone between an oceanic trench and the associated volcanic arc.

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Geology of the Pacific Northwest

The geology of the Pacific Northwest includes the composition (including rock, minerals, and soils), structure, physical properties and the processes that shape the Pacific Northwest region of North America. Juan de Fuca Ridge and geology of the Pacific Northwest are geology of British Columbia and geology of Washington (state).

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George Belknap

George Eugene Belknap (22 January 1832 – 7 April 1903) was a rear admiral in the United States Navy.

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Gorda Ridge

The Gorda Ridge (41°36'19.6"N 127°22'03.1"W), aka Gorda Ridges tectonic spreading center, is located roughly off the northern coast of California and southern Oregon. Juan de Fuca Ridge and Gorda Ridge are underwater ridges of the Pacific Ocean.

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Hydrothermal vent

Hydrothermal vents are fissures on the seabed from which geothermally heated water discharges.

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Juan de Fuca

Juan de Fuca (10 June 1536, Cefalonia 23 July 1602, Cefalonia)Greek Consulate of Vancouver, "".

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Juan de Fuca Plate

The Juan de Fuca Plate is a small tectonic plate (microplate) generated from the Juan de Fuca Ridge that is subducting beneath the northerly portion of the western side of the North American Plate at the Cascadia subduction zone.

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Megathrust earthquake

Megathrust earthquakes occur at convergent plate boundaries, where one tectonic plate is forced underneath another.

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Mid-ocean ridge

A mid-ocean ridge (MOR) is a seafloor mountain system formed by plate tectonics.

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Moment magnitude scale

The moment magnitude scale (MMS; denoted explicitly with M or or Mwg, and generally implied with use of a single M for magnitude) is a measure of an earthquake's magnitude ("size" or strength) based on its seismic moment.

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National Science Foundation

The U.S. National Science Foundation (NSF) is an independent agency of the United States federal government that supports fundamental research and education in all the non-medical fields of science and engineering.

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Nazca Plate

The Nazca Plate or Nasca 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.

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North American Plate

The North American Plate is a tectonic plate containing most of North America, Cuba, the Bahamas, extreme northeastern Asia, and parts of Iceland and the Azores.

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Ocean Observatories Initiative

The Ocean Observatories Initiative (OOI) is a National Science Foundation (NSF) composed of a network of science-driven ocean observing platforms and sensors (ocean observatories) in the Atlantic and Pacific Oceans.

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Overlapping spreading centers

Overlapping spreading centers are a feature of spreading centers at mid-ocean ridges.

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Pacific Northwest

The Pacific Northwest (PNW), sometimes referred to as Cascadia, is a geographic region in Western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east.

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Pacific Plate

The Pacific Plate is an oceanic tectonic plate that lies beneath the Pacific Ocean.

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Pacific-Farallon Ridge

The Pacific-Farallon Ridge was a spreading ridge during the Late Cretaceous that extended 10,000 km in length and separated the Pacific Plate to the west and the Farallon Plate to the east. Juan de Fuca Ridge and Pacific-Farallon Ridge are underwater ridges of the Pacific Ocean.

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Plate tectonics

Plate tectonics is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago.

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Sheeted dyke complex

A sheeted dyke complex, or sheeted dike complex, is a series of sub-parallel intrusions of igneous rock, forming a layer within the oceanic crust.

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Sloop-of-war

During the 18th and 19th centuries, a sloop-of-war was a warship of the British Royal Navy with a single gun deck that carried up to 18 guns.

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Submarine volcano

Submarine volcanoes are underwater vents or fissures in the Earth's surface from which magma can erupt.

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Undersea mountain range

Undersea mountain ranges are mountain ranges that are mostly or entirely underwater, and specifically under the surface of an ocean.

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See also

Geology of British Columbia

Geology of Washington (state)

Underwater ridges of the Pacific Ocean

West Coast of Vancouver Island

References

[1] https://en.wikipedia.org/wiki/Juan_de_Fuca_Ridge