continental rift in a sentence

WikiMatrix If the continental land masses were crisscrossed by a series of tunnels or canals, the sea level in those canals would also very nearly coincide with the geoid. At that time, the continental land masses on either side of the Iapetus Ocean were moving together. A long, narrow fissure in the Earth marking a zone of the lithosphere that has become thinner due to extensional forces associated with plate tectonics. The rifts are produced through regional tectonic forces operating in the crust and underlying mantle. ... continental rift; crack; References in classic literature? EVERY EPISODE OF GILMORE GIRLS, RANKED CONSTANCE GRADY OCTOBER 6, 2020 VOX. It is an active continental rift that began millions of years ago, splitting at 7mm annually. In geology, a rift is a linear zone where the lithosphere is being pulled apart and is an example of extensional tectonics.. A long, narrow fissure in the Earth marking a zone of the lithosphere that has become thinner due to extensional forces associated with plate tectonics. From the Cambridge English Corpus. Examples of continental drift in a sentence, how to use it. A long, narrow fissure in the earth marking a zone of the lithosphere that has become thinner because tectonic plates underlying the region have moved away from one other. Define rift. Continental rifts are thousands of kilometers in … In a sentence: The Great Rift Valley that is a continental rift in Africa can be seen from outer space. Geologically, the lowlands formed as a rift valley about 100 million years ago and are prone to infrequent but significant earthquakes. In the general case, sea floor spreading starts as a rift in a continental land mass, similar to the Red Sea-East Africa Rift System today. I have a continental lineage, considering that every single one of my ancestors was born in Europe. Magma rises and squeezes through the widening cracks, sometimes to erupt and form volcanoes. See more. A rift is a region where the lithosphere extends as two parts of the Earth's crust pull apart. Panxi Rift with the dome-shaped volcano pattern has undergone three evolutionary processes: the lithosphere dome by mantle bulge the continental crust dome and the subvolcano-dome: 29. 3) He waxed vehement about dinosaurs and extinction, about, 7) mouth and limnetic, littoral, weathered, 8) Why this elaborate analogy with plate tectonics and, 13) The scientists didn't accept the hypothesis of, 16) By 1946, however,(http://sentencedict.com/, 17) An earth science example is the publication of Wegener's theory of, 18) We learn, too, that the great geophysicist, Sir Harold Jeffreys, refused to accept the evidence for, 19) They are made of continental rather than oceanic rock, and seem to be a small part of the jigsaw puzzle of, 20) The transition to "liberalism" takes place in an imperceptible manner, like, 21) The Pacific trench lies deeper under the water and its characteristics differ in composition from the newer magma that has arisen during, 22) More obscure findings can fare worse: Germs, quarks, black holes, and, 23) A hypothetical supercontinent that included all the landmasses of the earth before the Triassic Period. (2) The rift within the party deepens. The Selwyn Basin is a passive continental rift that underwent episodic extension and associated subsidence throughout the lower Paleozoic. 0. : A break in the clouds, fog, mist etc., which allows light through. It consists of a rift valley between the Highland Boundary Fault to the north and the Southern Uplands Fault to the south. The rifting can also be insufficient to trigger seafloor spreading processes, and instead forms a rift basin or basins within continental crust. n. 1. 33. Rift in a sentence (1) The sun appeared through a rift in the clouds. Submarine fans form part of the continental rise. A rift valley is a linear shaped lowland between several highlands or mountain ranges created by the action of a geologic rift or fault. The continental railroad we have stretches all the way from one end of this continent to the other. Relating to or denoting underground water in the zone of saturation (beneath the water table). Similar fossils are found along continental margins that appear to join together. ; fissure; cleft; chink. Often a rift will form in an area of the crust that is already weakened by earlier geological activity. (4) His actions only deepened the rift between himself and the majority of Congress. One common model for continental land masses is known as Hufnagel-Valley after two workers in this subject. When the continental crust stretches beyond its limits, tension cracks begin to appear on the Earth's surface. Continental lithosphere is composed approximately of a 20- to 35-mile layer of light granitic crust underlain by a 60- to 80-mile layer of heavy mantle peridotite (an olivine-, pyroxene-rich rock; Figure 5.1).Recall that these layers together form a tectonic plate. The most prominent example of a continental rift is the East-African Rift Valley and its continuations into the Red Sea and the Gulf of Aden. Beyond the continental rise stretches the abyssal plain, an extremely deep and flat area of the sea floor. "' A long, narrow fissure in the Earth marking a zone of the lithosphere that has become thinner due to extensional forces associated with plate tectonics. rift synonyms, rift pronunciation, rift translation, English dictionary definition of rift. Where tectonic plates move away from one another the lithosphere thins. From. The Central Lowlands is a rift valley mainly comprising Paleozoic formations. A continental rift is conventionally described as a thinning process of the lithosphere ultimately leading to the rupture of the continent and the formation of a mid-oceanic ridge. 3) He waxed vehement about dinosaurs and extinction, about continental drift … Dictionary Definition. Earth's rift valleys. The most extensive rift valley is located along the crest of the mid-ocean ridge system and is the result of sea floor spreading.Examples of this type of rift include the Mid-Atlantic Ridge and the East Pacific Rise.. continental rise in a sentence The general slope of the continental rise is between 0.5 degrees and 1.0 degrees. ‘There is a serious rift between the players and the governing body.’ ‘The meeting revealed a serious rift between them that may result in violence.’ ‘News of a rift between the friends is believed to be accurate, with the rumour leaking out at one point last month that the latter had left the company altogether.’ Continental rifts are thousands of kilometers in length and hundreds of kilometers in width, and they are associated with normal faults and with grabens. A fissure, crack, or opening, as in rock. (modified from USGS). If the plate is capped by thick continental crust, the resulting continental rift zone rises high above sea level. (3) The stream had cut a deep rift in the rock. A new spreading center may be developing under Africa along the East African Rift Zone. This lacked evidence, thus undermining the credibility of the continental drift observation. 2) So long as no viable cause for continental drift could be demonstrated, however, belief in it remained an act of faith. In a picture: 9/2. 25 examples: In continental rift settings, the emplacement of such large volumes of felsic… 32. Continental rifts are locations of continental crustal extension/divergence, crustal thinning, sedimentary basin formation, … Word and part of speech: rate (noun) Dictionary definition: a measure, quantity, or frequency, typically one measured against some other quantity or measure. Continental rifts are thousands of kilometers in … A break in friendly relations: a rift between siblings. Typical rift features are a central linear downfaulted depression, called a graben, or more commonly a half-graben with normal faulting and rift-flank uplifts mainly on one side. The Grand Canyon is a rift in the Earth's surface, but is smaller than some of the undersea ones. All Rights Reserved. Copyright © 2016 sentencedict.com All Rights Reserved Contact: Meaning: n. the gradual movement and formation of continents (as described by plate tectonics). 32. In continental rift settings, the emplacement of such large volumes of felsic melts requires a huge amount of mafic magma derived from uprising asthenosphere. WikiMatrix Volcanic passive margins represent one endmember transitional crust type, the other endmember (amagmatic) type is the rifted passive margin. Continental drift in a sentence. A chasm or fissure. Rift definition, an opening made by splitting, cleaving, etc. Fossils are found in areas where the present-day climate could not have supported the organisms that made the fossils. The underlying asthenosphere rises and expands like a hot-air balloon, elevating a broad region. a : the lateral motion of an aircraft due to air currents. Now we had come to a spot where there is a great rift … What makes it all the more painful is that Lorelai knows at once that this rift is going to be total and dramatic, but Rory doesn’t — she’s still looking for Lorelai as she stands in the courtroom awaiting her sex-boat sentencing. the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur. Examples of Continental in a sentence. When, 24) Massive segments or plates of the crust move over the mantle in the process of, 25) The idea that continents broke and drift apart is known as the hypothesis of. 51 examples: From a geophysical perspective, analysing the fluid motion induced by the… Continental shelf definition is - a shallow submarine plain of varying width forming a border to a continent and typically ending in a comparatively steep slope to the deep ocean floor. The lithosphere is cooler and more rigid, while the asthenosphere is hotter and flows more easily. Another rift, the East African Rift Valley, is still in the phase where it forms a graben that is 'trying' to rip East-Africa apart from the rest of Africa. AKA: A recent study suggests a complex system of ancient lunar rift valleys including Vallis Rheita and Vallis Alpes. Examples of asthenosphere in a sentence, how to use it. 0. noun. noun. ; fissure; cleft; chink. c : a gradual shift in attitude, opinion, or position. 2. b : an easy moderate more or less steady flow or sweep along a spatial course. Active Continental Rifting in the Western United States. My marriage is in trouble, the fight created a rift between us and we can't reconnect.

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