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49 relations: American Geophysical Union, Arctic Ocean, Azores, Basalt, Cambridge University Press, Continental crust, Convergent boundary, Cumulate rock, Diabase, Dike (geology), Elsevier, Flood basalt, Fracture zone, Gabbro, Gakkel Ridge, Galápagos Islands, Geomagnetic reversal, Gram, Hotspot (geology), Iceland, Incompatible element, Lithosphere, Lower oceanic crust, Mafic, Magma, Mantle (geology), Mantle plume, Mary Fowler, Mediterranean Sea, Mid-ocean ridge, Mohorovičić discontinuity, New Scientist, Ophiolite, Pillow lava, Plate tectonics, Potassium, Science Daily, Sediment, Sediment transport, Sial, Sima (geology), Solidus (chemistry), Subduction, Submersible, Tethys Ocean, Troctolite, Turbidity current, Ultramafic rock, Wilson cycle.
American Geophysical Union
The American Geophysical Union (AGU) is a 501(c)(3) nonprofit organization of geophysicists, consisting of over 62,000 members from 144 countries.
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Arctic Ocean
The Arctic Ocean is the smallest and shallowest of the world's five major oceans.
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Azores
The Azores (or; Açores), officially the Autonomous Region of the Azores (Região Autónoma dos Açores), is one of the two autonomous regions of Portugal.
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Basalt
Basalt is a common extrusive igneous (volcanic) rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon.
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Cambridge University Press
Cambridge University Press (CUP) is the publishing business of the University of Cambridge.
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Continental crust
Continental crust is the layer of igneous, sedimentary, and metamorphic rocks that forms the continents and the areas of shallow seabed close to their shores, known as continental shelves.
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Convergent boundary
In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is a region of active deformation where two or more tectonic plates or fragments of the lithosphere are near the end of their life cycle.
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Cumulate rock
Cumulate rocks are igneous rocks formed by the accumulation of crystals from a magma either by settling or floating.
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Diabase
Diabase or dolerite or microgabbro is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro.
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Dike (geology)
A dike or dyke, in geological usage, is a sheet of rock that is formed in a fracture in a pre-existing rock body.
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Elsevier
Elsevier is an information and analytics company and one of the world's major providers of scientific, technical, and medical information.
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Flood basalt
A flood basalt is the result of a giant volcanic eruption or series of eruptions that covers large stretches of land or the ocean floor with basalt lava.
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Fracture zone
A fracture zone is a linear oceanic feature—often hundreds, even thousands of kilometers long—resulting from the action of offset mid-ocean ridge axis segments.
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Gabbro
Gabbro refers to a large group of dark, often phaneritic (coarse-grained), mafic intrusive igneous rocks chemically equivalent to basalt, being its coarse-grained analogue.
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Gakkel Ridge
The Gakkel Ridge (formerly known as the Nansen Cordillera and Arctic Mid-Ocean Ridge) is a mid-oceanic ridge, a divergent tectonic plate boundary between the North American Plate and the Eurasian Plate.
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Galápagos Islands
The Galápagos Islands (official name: Archipiélago de Colón, other Spanish name: Las Islas Galápagos), part of the Republic of Ecuador, are an archipelago of volcanic islands distributed on either side of the equator in the Pacific Ocean surrounding the centre of the Western Hemisphere, west of continental Ecuador.
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Geomagnetic reversal
A geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged, while geographic north and geographic south remain the same.
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Gram
The gram (alternative spelling: gramme; SI unit symbol: g) (Latin gramma, from Greek γράμμα, grámma) is a metric system unit of mass.
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Hotspot (geology)
In geology, the places known as hotspots or hot spots are volcanic regions thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle.
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Iceland
Iceland is a Nordic island country in the North Atlantic, with a population of and an area of, making it the most sparsely populated country in Europe.
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Incompatible element
In petrology and geochemistry, an incompatible element is one that is unsuitable in size and/or charge to the cation sites of the minerals of which it is included.
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Lithosphere
A lithosphere (λίθος for "rocky", and σφαίρα for "sphere") 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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Lower oceanic crust
The lower oceanic crust is the lower part of the oceanic crust and represents the major part of it (volumetrically biggest part).
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Mafic
Mafic is an adjective describing a silicate mineral or igneous rock that is rich in magnesium and iron, and is thus a portmanteau of magnesium and '''f'''err'''ic'''.
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Magma
Magma (from Ancient Greek μάγμα (mágma) meaning "thick unguent") is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth, and is expected to exist on other terrestrial planets and some natural satellites.
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Mantle (geology)
The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies.
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Mantle plume
A mantle plume is an upwelling of abnormally hot rock within the Earth's mantle, first proposed by J. Tuzo Wilson in 1963.
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Mary Fowler
Christine Mary Rutherford Fowler, (born 1950), known as Mary Fowler, is a British geologist and academic.
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Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant.
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Mid-ocean ridge
A mid-ocean ridge (MOR) is an underwater mountain system formed by plate tectonics.
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Mohorovičić discontinuity
The Mohorovičić discontinuity, usually referred to as the Moho, is the boundary between the Earth's crust and the mantle.
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New Scientist
New Scientist, first published on 22 November 1956, is a weekly, English-language magazine that covers all aspects of science and technology.
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Ophiolite
An ophiolite is a section of the Earth's oceanic crust and the underlying upper mantle that has been uplifted and exposed above sea level and often emplaced onto continental crustal rocks.
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Pillow lava
Pillow lavas are lavas that contain characteristic pillow-shaped structures that are attributed to the extrusion of the lava under water, or subaqueous extrusion.
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Plate tectonics
Plate tectonics (from the Late Latin tectonicus, from the τεκτονικός "pertaining to building") is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth's lithosphere, since tectonic processes began on Earth between 3 and 3.5 billion years ago.
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Potassium
Potassium is a chemical element with symbol K (from Neo-Latin kalium) and atomic number 19.
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Science Daily
Science Daily is an American website that aggregates press releases and publishes lightly edited press releases (a practice called churnalism) about science, similar to Phys.org and EurekAlert!.
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Sediment
Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice, and/or by the force of gravity acting on the particles.
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Sediment transport
Sediment transport is the movement of solid particles (sediment), typically due to a combination of gravity acting on the sediment, and/or the movement of the fluid in which the sediment is entrained.
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Sial
In geology, the term 'sial' refers to the composition of the upper layer of the Earth's crust, namely rocks rich in silicates and aluminium minerals.
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Sima (geology)
In geology, sima is the name for the lower layer of the Earth's crust.
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Solidus (chemistry)
In chemistry, materials science, and physics, the solidus is the locus of temperatures (a curve on a phase diagram) below which a given substance is completely solid (crystallized).
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Subduction
Subduction is a geological process that takes place at convergent boundaries of tectonic plates where one plate moves under another and is forced or sinks due to gravity into the mantle.
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Submersible
A submersible is a small vehicle designed to operate underwater.
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Tethys Ocean
The Tethys Ocean (Ancient Greek: Τηθύς), Tethys Sea or Neotethys was an ocean during much of the Mesozoic Era located between the ancient continents of Gondwana and Laurasia, before the opening of the Indian and Atlantic oceans during the Cretaceous Period.
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Troctolite
Troctolite is a mafic intrusive rock type.
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Turbidity current
A turbidity current is most typically an underwater current of usually rapidly moving, sediment-laden water moving down a slope.
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Ultramafic rock
Ultramafic (also referred to as ultrabasic rocks, although the terms are not wholly equivalent) are igneous and meta-igneous rocks with a very low silica content (less than 45%), generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals (dark colored, high magnesium and iron content).
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Wilson cycle
The Wilson cycle is a model where a continent rifts, forms an ocean basin in-between, and then begins a process of convergence that leads to the collision of the two plates and closure of the ocean.
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Redirects here:
Ocean crust, Oceanic Crust, Oceanic plate.
References
[1] https://en.wikipedia.org/wiki/Oceanic_crust
