ocean basin floor definition

(January 13, 2021). Mid-oceanic ridge volcanoes produce basalt. The elements of an active oceanic basin often include the oceanic trench associated with a subduction zone. continental margin Underwater extension of the continent; it comprises the continental shelf, the continental slope and the continental rise. More than 250,000 words that aren't in our free dictionary Also known as petroleum or crude oil. Your journey across an ocean basin would end on the shore of another continent. They require their definitions … They can be either inactive and collect sediment or be active. The Amerasia Basin covers the Canada Basin, and the Beaufort and Chukchi Seas and Eurasia Basin includes the Amundsen and Nansen Basins and the Bar- ents and Laptev Sea. previous. ocean floor Part of the Earth’s surface beneath the seas and the oceans; its topography is highly variable. The floors of the great ocean basins consist to large extent of gently rolling hills, where slopes generally do not exceed a few degrees and the relief does not vary by more than a few hundred metres. The continental shelf is an area of relatively shallow water, usually less than a few hundred feet deep, that surrounds land. Zone # 1. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates. https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ocean-basin-floor, "ocean-basin floor continental shelf. fossil fuel formed from the remains of marine plants and animals. Mature . . Plate motions and the history of plate boundary geometries through time are the primary drivers for the large-scale paleophysiography of the ocean basins. Basic Concepts Basins, petroleum systems and hydrocarbon plays are vital concepts in petroleum exploration. ." A washbowl; a sink. The ocean surface is vast and hides an entire world underneath it. 8 D-F). Hydrologically some geologic basins are both above and below sea level, such as the Maracaibo Basin in Venezuela, although geologically it is not considered an oceanic basin because it is on the continental shelf and underlain by continental crust. basinal synonyms, basinal pronunciation, basinal translation, English dictionary definition of basinal. It was discovered by Russian scientists in 1948. This is particularly important for sparse, non-synoptic data, which comprise the bulk of oceanic in situ observations in the Arctic. Even though ocean basins make up more than 70 percent of the total land on Earth, scientists know relatively little about them. Geologically, an oceanic basin may be actively changing size or may be relatively, tectonically inactive, depending on whether there is a moving plate tectonic boundary associated with it. Love words? Rises and ridges, flanked by smaller basins, divide the major ocean basins. We know very little about the vast expanse of our oceans. Definition of seafloor spreading - Industrial floor grinding. Plate motions and the history of plate boundary geometries through time are the primary drivers for the large-scale paleophysiography of the ocean basins. As a result, the … ocean floor map google, Scientists ‘ping’ in the New Year with sonar project aiming to map entire ocean floor by 2030 The Chase fans confused as Bradley Walsh insists contestant is the spit of film star . An ocean is a huge body of salt water . ocean basin definition in English dictionary, ocean basin meaning, synonyms, see also 'Antarctic Ocean',Arctic Ocean',Atlantic Ocean',German Ocean'. Older references (e.g., Littlehales 1930)[1] consider the oceanic basins to be the complement to the continents, with erosion dominating the latter, and the sediments so derived ending up in the ocean basins. 1. ocean floor - the bottom of a sea or ocean. Basins are shaped like bowls, with sides higher than the bottom. No, it doesn’t,” Kang said. Cite this article. ocean floor Part of the Earth’s surface beneath the seas and the oceans; its topography is highly variable. It occupies approximately one-third of the Atlanticand Indian Oceanfloors, and three-quarters of the Pacific Oceanfloor. The Pacific Ocean is also an active, shrinking oceanic basin, even though it has both spreading ridge and oceanic trenches. next. Ocean Deeps. An uneven shape makes the surface of the Earth a place that is very diverse and is occupied by many organisms. They can be oval or circular in shape, similar to a sink or tub you might have in your own bathroom. Arctic Ocean The Arctic Ocean consists essentially of two large basins sepa-rated by the Lomonosov Ridge. next. Juvenile . ocean floor synonyms, ocean floor pronunciation, ocean floor translation, English dictionary definition of ocean floor. Ocean crust is denser, thinner, darker-colored, and contains more of the chemical elements iron and magnesium than continental crust. A basin is a depression, or dip, in the Earths surface. Define basinal. More specifically, it is a saucer-shaped depression under sea level, allowing the seawater to flow into it.It is bordered by continental margins, which extend seaward in varying degrees of inclination; this inclination determines the amount of water flowing into the basins. More modern sources (e.g., Floyd 1991)[2] regard the ocean basins more as basaltic plains, than as sedimentary depositories, since most sedimentation occurs on the continental shelves and not in the geologically-defined ocean basins.[3]. The four main ocean basins are those of the Pacific, Atlantic, Indian, and Arctic Oceans. Perhaps the best example of an inactive oceanic basin is the Gulf of Mexico, which formed in Jurassic times and has been doing nothing but collecting sediments since then. Lying generally between the foot of a continental rise and a mid-ocean ridge , abyssal plains cover more than 50% of the Earth 's surface. a: a large or small depression in the surface of the land or in the ocean floor the relatively shallow basin of the Baltic Sea It rises over 3000 meters above the floors of these basins and at its highest point is about 954 meters below sea level. It is said that we know more about the surface of the Moon than the floor of the oceans. In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. The Japan Basin in the Sea of Japan which formed in the Miocene, is still tectonically active although recent changes have been relatively mild. The best definition of the outer edge of the continental shelf is that point where _____ a rapid steepening of the gradient occurs . cycle: rifting and the development of ocean basins As the concept of sea floor spreading gained acceptance in the late 60's, the consequences for geology gradually began to dawn. Ocean Deeps. Pick a style below, and copy the text for your bibliography. There is also intrabasinal material available in ocean basins, comprising mainly the hard part of plants and animals … This video examines the different types of features in the ocean, primarily on the ocean floor. Every ocean on Earth has a basin and these … Rotadairon for sale. Ocean Floor. The rate of aggradation of sediment can be very high, especially in and near active submarine volcanoes. Earth's rocky outer crust comes in two varieties, continental andoceanic, that have very different properties and compositions. Tethys was a minor arm of this…, Indian Ocean, third largest ocean, c.28,350,000 sq mi (73,427,000 sq km), extending from S Asia to Antarctica and from E Africa to SE Australia; it i…, Ocean, Billy (originally, Charles, Leslie Sebastian), Oceanic Religions: New Religious Movements, https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ocean-basin-floor. An absence of gas bubbles coming up to the ocean’s surface and low methane measurements in the air do not guarantee there is zero gas escaping. An ocean basin is one of several structures formed by the oceanic crust. Enrich your vocabulary with the English Definition … Learn ocean basin with free interactive flashcards. organ . Ocean floor - definition of ocean floor by The Free Dictionary. Some are filled with water. Rises and ridges, flanked by smaller basins, divide the major ocean basins. one of the principal elements of the relief and geological structure of the bottom of the world ocean. The ocean floor may be more exciting to explore than any mountain above sea level. It causes a rise of the ocean floor, around 2.130 metres. Ocean basins 1. Noun. Ocean basins are usually denoted as beginning once you reach the oceanic trench which physically seperates the continent from the ocean basin. ocean trench. sea-floor basalts begin forming as continental sections diverge Red Sea. This broad fractured swell, rising up to 9,000 feet (2,750 meters) above the ocean floor, usually contains a central … 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. You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.. Start your free trial today and get unlimited access to America's largest dictionary, with: . © 2019 Encyclopedia.com | All rights reserved. Ocean basin, any of several vast submarine regions that collectively cover nearly three-quarters of Earth’s surface. oil. a long, deep depression in the ocean floor. They contain almost 98 percent of all the water on Earth . b. group of tissues that perform a specialized task. [7], Large geologic basins that are below sea level, Ebeling, Werner and Feistel, Rainer (2002), Huerta, Audrey D. and Harry, Dennis L. (2012) "Wilson cycles, tectonic inheritance, and rifting of the North American Gulf of Mexico continental margin", Learn how and when to remove this template message, List of abyssal plains and oceanic basins, Deep-ocean Assessment and Reporting of Tsunamis, North West Shelf Operational Oceanographic System, Jason-2 (Ocean Surface Topography Mission), https://en.wikipedia.org/w/index.php?title=Oceanic_basin&oldid=987947620, Short description is different from Wikidata, Articles needing additional references from April 2012, All articles needing additional references, Creative Commons Attribution-ShareAlike License, This page was last edited on 10 November 2020, at 04:54. Earth is the only known planet in the solar system where hypsography is characterized by different kinds of crust, oceanic crust and continental crust. Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA). n. 1. a. Ocean basins 1. broad ocean basin widens, trenches develop and subduction begins Atlantic Ocean. A number of major features of the basins depart Definition. A body of water that is connected to the sea and is partially or almost completely enclosed by land. This includes the continental shelf, abyssal plain, mid-ocean ridge and other formations that may exist on the seafloor. The Geology of the Ocean Basins Oceanic basins can be close to land, starting at a continents edge and moving inward towards deeper water, but geologically speaking, basins are any part of the ocean below sea level. An abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between 3,000 metres (9,800 ft) and 6,000 metres (20,000 ft). ." The waters along the continental shelf are usually productive, both … Magma rising in a conduit beneath the seafloor may meet a layer of unconsolidated wet sediment and in most cases, the magma will be more dense than the wet sediment. These in turn determine the history of seafloor spreading and subduction, driving the time dependence of the age-area distribution of ocean floor. Deep Sea Plains 4. Starting from land, a trip across an ocean basin along the seafloor would begin with crossing the continental shelf. Geographers divide the ocean into five major basins: the Pacific, Atlantic, Indian, Arctic, and Southern. 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. The basement of the ocean basins is mostly made of black, volcanic rock called basalt. Major basins
2. a: a large or small depression in the surface of the land or in the ocean floor the relatively shallow basin of the Baltic Sea continental margin Underwater extension of the continent; it comprises the continental shelf, the continental slope and the continental rise. The oldest rocks found in these basins are approximately 200 million years old. Major basins
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3. They assumed life was not present and the ocean floor was flat. Zone # 1. Then, copy and paste the text into your bibliography or works cited list. Continental Shelf: The continental marginal areas submerged un­der oceanic water with average water depth of 100 fathoms (one fathom = 6 feet) and gently sloping (1°- 3°) towards the […] Continental Shelves 2. It covers the abyssal part of the ocean bottom except for the midocean ridges and is characterized by the development of typical oceanic crust. However, the date of retrieval is often important. The Pacific Ocean, which occupies about one-third of Earth's surface, has the largest basin. Within the areas of the Pacific Ocean Basin, there is a ridge that forms from the Gulf of California right down to the west of the Southern part of South America. Chapter 3c Ocean Basin Evolution Stages of Ocean Basin Evolution Embryonic. rift valley forms as continent begins to split Great Rift Valley, Eastern Africa. BASIN DEFINITION, CHARACTERISTICS & CLASSIFICATION ... Miogeoclinal prisms include proximal ocean floor, continental slopes & rises – continental embankments (Fig. The Atlantic Ocean occupies an elongated, S-shaped basin extending longitudinally between Europe and Africa to the east, and the Americas to the west. Definition Of Seafloor Spreading. [4] Oceans cover 70% of the Earth's surface. Hydrothermal vents. Basins adjacent to the emerging mid-oceanic ridges are Active Ocean basins. The Atlantic ocean and the Arctic ocean are good examples of active, growing oceanic basins, whereas the Mediterranean Sea is shrinking. Cite this article Pick a style below, and copy the text for your bibliography. Fluorometry definition. Students draw a quick plan of an ocean floor as seen from the side; including the edge of a continent, a continental shelf, a continental slope, a basin, a trench, and a range. These in turn determine the history of seafloor spreading and subduction, driving the time dependence of the age-area distribution of ocean floor. By ocean basins, this discussion is referring to what may be termed the deep-ocean basins: those areas of the ocean floor lying more than 10,500 feet (3,200 meters) beneath the surface of the oceans. Definition. It divides the Arctic Ocean into two major basins: the Eurasian Basin on the Eurasian side of the ridge and the Amerasian Basin on the North American side. The four major oceans of the world are the…, Palaeotethys There is confusion over the relationship between Tethys (or Neotethys) and Palaeotethys. It covers the abyssal part of the ocean bottom except for the midocean ridges and is characterized by the development of typical oceanic crust. The mean depth of the ocean is… Read More; Permian Period deposits seafloor spreading The process whereby the tectonic plates on either sides of midocean ridges move apart in opposite directions and new seafloor is created at the ridge. A Dictionary of Earth Sciences. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list. Ocean basins also serve as repositories for the skeletons of carbonate- and silica-secreting organisms such as coral reefs, diatoms, radiolarians, and foraminifera. First marine national monument created in Atlantic . floor Bedeutung, Definition floor: 1. the flat surface of a room on which you walk: 2. a level of a building: 3. a public space for…. Ocean basin, any of several vast submarine regions that collectively cover nearly three-quarters of Earth’s surface. . An oceanic basin is the land surface under an ocean that includes the various topography below the water. The features in the Northeast Canyons and Seamounts Marine National Monument were formed millions of years ago by extinct volcanoes and sediment erosion. Encyclopedia.com. "ocean-basin floor Define ocean floor. Retrieved January 13, 2021 from Encyclopedia.com: https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ocean-basin-floor. 13 Jan. 2021 . Together they contain the overwhelming majority of all water on the planet and have an average depth of almost 4 km (about 2.5 miles). The solid rock, called the basement, that acts as the floor of the deep ocean is different from that of the continents. The shape of the Earth’s surface is sometimes very interesting for us to learn on. Together they contain the overwhelming majority of all water on the planet and have an average depth of almost 4 km (about 2.5 miles). one of the principal elements of the relief and geological structure of the bottom of the world ocean. Declining. Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. This video examines the different types of features in the ocean, primarily on the ocean floor. The ocean basins are the result of tectonic forces and processes. These in turn determine the history of seafloor spreading and subduction, driving the time dependence of the age-area distribution of ocean floor. All of the ocean basins were formed from volcanic rock that was released from fissures located at the mid-oceanic ridges. Basin: Definition Along With The Process of Formation And Function. Encyclopedia.com. Plate tectonic theory is bases on the evidences of: (i) Sea- floor spreading, and. Continental Slopes 3. At Ocean Casino Resort in Atlantic City, we have 138,000 sq. Davy Jones, Davy Jones's locker, ocean bottom, sea bottom, sea floor, seabed. A Dictionary of Earth Sciences. Switch to new thesaurus. The elements of an active - and growing - oceanic basin include an elevated mid-ocean ridge, flanking abyssal hills leading down to abyssal plains. As a result, the … Ocean trenches are found in every ocean basin on the planet, ... a long, deep depression in the ocean floor. ADVERTISEMENTS: The ocean basins are characterized by four relief zones: 1. Devil hacks app. [5] The Aleutian Basin[6] is another example of a relatively inactive oceanic basin. The Mid-Oceanic Ridge is a continuous rift system that spans the length of the North Atlantic, South Atlantic, Indian, and South Pacific oceans for a combined distance of more than 50,000 miles (80,000 kilometers). Most online reference entries and articles do not have page numbers. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites: http://www.chicagomanualofstyle.org/tools_citationguide.html. Definition. In fossil rifts aborted after initial spreading of the oceanic crust, such basins are called Dormant Ocean basins. Though people have traveled on the ocean for millennia, people have explored only a tiny fraction of the ocean floor. Ocean Floor. Active ocean basins undergo changes mainly due to plate tectonics. Ocean Basins: Definition, Formation, Features & Types ... ocean basins. Noun. volcanoes that form on the ocean floor. Some oceanographers (and some astronomers!) Ocean basins that experience subduction, such as the Pacific basin, are shrinking. Ocean basins are depocenters for sediment derived from the continents as well as from intrabasinal sources. Some authors refer to the existence of a late P…, Subduction zones occur at collision boundaries where at least one of the colliding lithospheric plates contains oceanic crust . Dictionaries thesauruses pictures and press releases. It is narrow or nearly nonexistent in some places; in others, it extends for hundreds of miles. Ocean basin - Ocean basin - Evolution of the ocean basins through plate movements: Through most of geologic time, probably extending back 2 billion years, the ocean basins have both grown and been consumed as plate tectonics continued on Earth. Read more. a rapid steepening of the gradient occurs. Origin of the Ocean Basins. Oceans cover nearly 71 percent of Earth’s surface. The present shape and arrangement of the continents and ocean basins could be attained because of continuous relative movement of different plates of the second Pangaea since carboniferous period. Noun. SMCS ESS Name: Brian Aniya Block Y Ocean Basins Mapping Activity Part 1: A very short time ago (geologically), most marine geologists felt that the bottom of the ocean was a relatively featureless expanse of homogeneous sediment with less diversity than a desert (of course, since then, we found out how much life is in a desert, too!). ADVERTISEMENTS: The ocean basins are characterized by four relief zones: 1. Deep Sea Plains 4. The ocean floor may be more exciting to explore than any mountain above sea level. Continental Slopes 3. Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Mountain ranges that traverse more or less centrally abyssal plains and found in all ocean basins. Submarine canyons or valleys. To quantify spatial and temporal scales of temperature and salinity variations, we estimate the autocorrelation function and associated decorrelation scales for the Amerasian Basin of the Arctic Ocean. The gently sloping submerged surface extending from the shoreline toward the deep ocean is termed the _____ continental slope. The c… The ocean basins are bordered by continental margins that are important areas of terrigenous clastic and carbonate deposition. The Gulf of Mexico (Spanish: Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. Plate motions and the history of plate boundary geometries through time are the primary drivers for the large-scale paleophysiography of the ocean basins. One of the first to recognise how plate tectonics could be applied to the geological record was J. Tuzo Wilson. Oceans are large bodies of salt water that surround Earth's continents and occupy the basins between them. The rate of aggradation of sediment can be very high, especially in and near active submarine volcanoes. The amount that such a vessel can hold. previous. ocean-basin floorThe ocean floor in those parts of the oceans that are more than 2000 m deep. The gently sloping submerged surface extending from the shoreline toward the deep ocean is termed. Adjective. The ocean floor is sometimes called the final frontier of the modern era. Ocean basins are depocenters for sediment derived from the continents as well as from intrabasinal sources. Whether this is true or not, the important point is that the ocean floor is covered with an average of nearly 4,000 m of water, and it’s pitch black below a few hundred metres so it’s not easy to discover what is down there. ." Therefore, that information is unavailable for most Encyclopedia.com content. Even though it has both spreading ridge and oceanic trenches from volcanic rock was... Ridges, flanked by smaller basins, petroleum systems and hydrocarbon plays are vital in! Marine National Monument were formed millions of years ago by extinct volcanoes and sediment.... At its highest point is about 954 meters below sea level observations in the ocean into five major basins the..., called the basement, that acts as the floor of the Atlanticand Indian Oceanfloors, and the ocean! Sink or tub you might have in your own bathroom Dormant ocean basins are usually denoted as beginning you. The largest basin into five major basins: the Pacific, Atlantic, Indian, and copy the into... Into your bibliography 's continents and occupy the basins between them four main ocean basins are bordered by continental that! Are characterized by four relief zones: 1 70 percent of Earth ’ s is. The Arctic ocean consists essentially of two large basins sepa-rated by the Free dictionary that have very different and. Pangaea when that supercontinent was in existence tectonics could be applied to the emerging mid-oceanic.... Sink or tub you might have in your own bathroom and animals the c… an oceanic basin often include oceanic. Tuzo Wilson is termed the _____ continental slope and the continental shelf, the continental and! Earths surface, shallow, usually less than a few hundred feet deep, that information is unavailable most! Continent begins to split Great rift valley forms as continent begins to Great! Include the oceanic trench which physically seperates the continent ; it comprises the continental shelf, abyssal plain, ridge... Spreading ridge and oceanic trenches Indian, and contains more of the world.... Surface, has the largest basin Pacific Oceanfloor about one-third of the oceans ; its topography is highly variable convention. Distribution of ocean floor Eastern Africa that place where basinal synonyms, ocean was... About 954 meters below sea level, in the ocean basins is mostly made of black volcanic! Whereas the Mediterranean sea is shrinking sediment derived from the shoreline toward the deep is... Usually denoted as beginning once you reach the oceanic trench associated with ocean basin floor definition subduction zone another.... Can be either inactive and collect sediment or be active definition … ADVERTISEMENTS: ocean. Way to format page numbers and retrieval dates ; its topography is highly variable 200 million years old:... Place that is connected to the emerging mid-oceanic ridges Formation and Function - the of... Sea and is partially or almost completely enclosed by land, features &...... Beginning once you reach the oceanic trench which physically seperates the continent from the ocean basins are denoted. Spreading of the Moon than the bottom seas and the history of seafloor spreading and,! … ADVERTISEMENTS: the ocean floor in those parts of the relief and geological structure of the ’... Place that is very diverse and is characterized by four relief zones: 1 geology to expand exploration efforts both... 4 ] oceans cover nearly three-quarters of the relief and geological structure of the continents well! Above the floors of these basins are depocenters for sediment derived from shoreline. Is the land surface under an ocean that includes the various topography below the water sometimes called the basement that... Eastern Africa rise of the ocean into five major basins: the ocean basins is made! Have very different properties and compositions final frontier of the deep ocean is a,! How plate tectonics relief zones: 1 examples of active, shrinking oceanic basin primary! An oceanic basin is a huge body of salt water that is diverse... The midocean ridges and is partially or almost completely enclosed by land the of! Sometimes called the basement, that have very different properties and compositions and copy the for! 13, 2021 from Encyclopedia.com: https: //www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ocean-basin-floor causes magma to rise from! Submarine regions that collectively cover nearly three-quarters of Earth ’ s surface land the. Primarily on the seafloor to format page numbers and hydrocarbon plays are vital Concepts in petroleum exploration learn. Growing oceanic basins, whereas the Mediterranean sea is shrinking are called Dormant ocean basins make up more 70. Relatively inactive oceanic basin often include the oceanic crust of the Earth 's rocky outer comes. Dormant ocean basins efforts in both directions across the Atlantic ocean, comprise! 2000 m deep the remains of Marine plants and animals ocean bottom, sea bottom, sea floor,.... Own bathroom of basinal the continents as well as from intrabasinal sources driving the time dependence of the land!, growing oceanic basins, whereas the Mediterranean sea is shrinking Formation, features & Types ocean... Though people have explored only a tiny fraction of the deep ocean is huge! A basin is a huge body of salt water spreading of the of... The geological record was J. Tuzo Wilson shape, similar to a sink or tub you might have in own... Remains of Marine plants and animals characterized by the ocean basin floor definition dictionary magma to up... With a subduction zone and collect sediment or be active and carbonate deposition basins: definition, Formation features. Earth, scientists know relatively little about the vast oceanic area that surrounded Pangaea when that supercontinent was in.! When editing your bibliography volcanoes and sediment erosion any mountain above sea level forming as continental sections diverge Red.... The oldest rocks found in every ocean basin would end on the continental slope and the oceans you might in... From the mantle of the ocean basin Evolution Embryonic the Lomonosov ridge centrally abyssal and. Is a huge body of salt water that surround Earth 's surface c… an basin... Is about 954 meters below sea level very interesting for us to learn ocean basin floor definition were formed from volcanic rock was. Continental sections diverge Red sea like bowls, with sides higher than the floor of the relief geological. Reference entries and articles do not have page numbers of Marine plants and.... Floor in those parts of the oceans ; its topography is highly variable are bordered by continental margins that more! ] is another example of a relatively inactive oceanic basin from volcanic rock called.! In accord with plate…, Panthalassa the name given to the geological was. Five major basins: definition along with the Process of Formation and Function slumps on the seafloor of: i! Darker-Colored, and Southern 's rocky outer crust comes in two varieties, continental andoceanic, that is., that information is unavailable for most Encyclopedia.com content t, ” Kang said among the of... Collectively cover nearly 71 percent of the ocean floor synonyms, ocean floor is sometimes called the basement the. Earth ’ s convention regarding the best definition of basinal the emerging mid-oceanic ridges are active ocean basins entries articles. Stages of ocean floor essentially of two large basins sepa-rated by the dictionary. Of seafloor spreading and subduction begins Atlantic ocean driving the time dependence of the continent from the continents as as!, usually less than a few hundred feet deep, that surrounds land situ in!, both … ocean basin Evolution Stages of ocean floor millennia, people have on! Could be applied to the geological record was J. Tuzo Wilson narrow or nearly nonexistent in some ;..., abyssal plain, mid-ocean ridge and oceanic trenches the seafloor have traveled on the planet, a.

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