what evidence supports the theory of continental driftwhat evidence supports the theory of continental drift

Over time, the organism decays and the area it occupied is replaced with inorganic rock. What other evidence did Wegener need in order to convince scientists that his theory of continental drift was correct? Africa has some of the greatest history, and physical geography. What is the five evidence of continental drift? For example fossils of Mesosaurus a freshwater reptile have been found both in Brazil and western Africa. At divergent plate boundaries, the two plates are pulling apart and magma rises through the gap in the Earth forming volcanoes. The main concepts that help round Abstract The study of geomorphology is an academic discipline related in explaining the earths surface and to understand the processes which create and modifies landforms. Which statement best supports the theory of continental drift quizlet? An example of a divergent plate boundary is between the North American and European plate. The Fossil Record. It suggested that those land areas had in the past been connected. Dark Matter earned its name because it does not interact at all with the Electromagnetic Force. continents look like puzzle pieces and seem to fit together. The original theory of continental drift, proposed by Alfred Wegener in 1912, was that the continents were once connected and were slowly drifting apart due to the movement of the Earth's tectonic plates. He believed that the widely spread continents now used to be a single land or unit. What are the four pieces of evidence for Pangaea? How did the alliance system lead to World War 1? 2. Rocks of Same Age Across the Oceans: radiometric dating methods have correlated the rock formation in different continents. It is), Causes and Effects of Ozone Layer Depletion, Causes and Effects to Environmental Pollution, Causes and Effects of Ocean Acidification, Causes and Effects of Marine Habitat Loss, 35+ Outstanding Facts About the Planet Earth. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you. coal found in cold regions, glacial evidence found in warm regions. Many evidence supports the theory of continental drift. Fossils of the Mesosaurus, an ancient freshwater reptile found in the southern parts of South America and Africa, also indicate that the two continents could have once been one solid continent that drifted apart, since the reptile could not have swum across the ocean. He called his hypothesis continental drift. What does the theory of continental drift state? He suggested that all the continents had once formed a single land mass or super continent which he called Pangaea; the ancient Greek meaning for 'All Earth'. Sea floor spreading indicates that since the continents presently move apart, previous continental drift was possible and probable as well. The discovery of fossils on different continents indicated that the continents were once together before they drifted away. The second theory was that the continents had been in contact with each other millions of years ago, and had somehow drifted apart. About Us, Biological Weathering - Definition and Types, 15 Examples of Potential Energy in Daily Life, Does Granite Conduct Electricity? Other examples of Fold Mountains are: The Andes, The Alps and The Rockies. (No. EVIDENCE FOR CONTINENTAL DRIFT Starting with the geological timescale, Alfred Lothar Wegener Biography Born in 1980 in Berlin son of an orphanage director As a child became fascinated with Greenland Graduated from UNI of Berlin with PHD in astronomy Instead of continuing with astronomy, pursued meteorology worked for Royal Prussian Aeronautical Observatory in Berlin. 1 What are 4 pieces of evidence that support the theory of continental drift? Continental drift describes one of the earliest ways geologists thought continents moved over time. Not all events are good ones, especially with the rough terrain that African had to endure, but also the good that came out of it from raw materials, but also involved exploitation. Ex. The evidence for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of ancient climatic zones. The theory of Continental Drift was first proposed in 1912 by the German geologist Alfred Wegner in which he suggested the continents were moving slowly across the Earths surface. When plates drift away from each other, there is formation of new crust at divergent boundaries. There are seven major tectonic plates: African, Antarctic, Eurasian, Indo-Australian, North American, South American and the Pacific. Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. Magnetic Reversals After molten lava emerges from a volcano, it solidifies to a rock. The ocean floor is thus pushed at right angles and in opposite directions away from the crests. 2023 EduBirdie.com. He believed that the widely spread continents now used to be a single land or unit. Find out everything you need to know about it here. backlog intangible asset; west metro fire union contract. 1. What Is The Geographical Significance Of The Russian Plain, What Is The Role Of Dna In Determining An OrganismS Traits, What Was A Main Reason Large Plantations Developed In The South During The Colonial Period. The technical storage or access that is used exclusively for anonymous statistical purposes. Finding fossils of the Mesosaurus on the southern hemispheres of both continents is a further indication that the two continents were once together and later drifted apart. In 1908 Frank B. Taylor of the United States invoked the notion of continental collision to explain the formation of some of the worlds mountain ranges. This cookie is set by GDPR Cookie Consent plugin. Despite being dismissed at first, the theory gained steam in the 1950s and 1960s as new data began to support the idea of continental drift. Continental Drift- This is a theory of the Earth proposed by Alfred Wegener in 1912. Fair Use Policy or become aware of any violations, please do not hesitate to contact us via support@edubirdie.com. Several types of evidence supported Hess's theory of sea-floor spreading: eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves. Contact Us . This website uses cookies to improve your experience while you navigate through the website. THE CONTINENTAL DRIFT THEORY EVIDENCES AND EXAMPLES. Plate Tectonics Theory of Continental Drift The continental drift hypothesis was developed in the early part of the 20th century, mostly by Alfred Wegener. By basing it on evidence, Wegener stated that the mesosaurus can also be found in other continents. Source: www.slideserve.com. He used several pieces of evidence to support his theory including fossils rocks glacial markings coal deposits and the fact that the continents fit together like a jigsaw puzzle. What does Pangaea mean in Greek? Fossils of similar types of plants and animals in rocks of a similar age have been found on the shores of different continents, suggesting that the continents were once joined. What did Alfred Wegener use as evidence for his theory that the continents were once one giant land mass quizlet? Web continental drift theory what evidence did wegener use to support his hypothesis? What Is N For The Following Equation In Relating Kc To Kp? On top of that, Lystrosaurus is situated in Antarctica, India, and Africa according to the modern map. As they are the same density, they break when they collide and are forced upwards instead. In addition South America and Africa looked like they could fit together like puzzle pieces. He suggested that all the continents had once formed a single land mass or super continent which he called Pangaea; the ancient Greek meaning for All Earth. You can specify conditions of storing and accessing cookies in your browser, way easier to get an answer other from the other guy. Abundant evidence supports the major contentions of the seafloor-spreading theory. Studies by Runcorn of the remanent magnetism in suitable rocks of different ages from Europe produced a polar wandering curve indicating that the magnetic poles were in different places at different times. Convergent boundaries can also occur between two continental plates. tobi brown girlfriend; ancient map of sarkoris pathfinder; reno sparks nv obituaries; como sacar una culebra de su escondite In the early part of the 20th century scientists began to put together evidence that the continents could move around on Earths surface. What observations about landforms best supports the theory of plate tectonics? The distribution of these reptiles in different continents proves that these separate land masses were once together before splitting. Grooves and rock deposits left by ancient glaciers are found today on different continents very close to the equator. Tropical plants found in Arctic- tropical plants cant grow in cold climates. Not consenting or withdrawing consent, may adversely affect certain features and functions. Wegener used fossil evidence to support his continental drift hypothesis. Together these discoveries supported the existence of Pangea. His primary sources of evidence included the fit of the continents, glacial till deposits, and the apparent shifting of climatic belts over time. Our editors will review what youve submitted and determine whether to revise the article. Omissions? Now, looking at the current map after drifting of the continents, Cygnognathus is situated in Africa and South America. First, they theorized that separate species developed identically across the far-flung continents, a notion that was highly unlikely. Fossils of Cynognathus, Lystrosaurus and the fern like plant Glossopteris have also been found across several continents. The supercontinent was surrounded by water bodies, mainly oceans, and seas. Today we know that the continents rest on massive slabs of rock called tectonic plates. As a result of movement of the supercontinent, Pangaea split into two super landmasses namely Laurasia and Gondwanaland. Subjects . Because Wegener could not identify a mechanism capable of moving continents. Fossils of plants and animals Distinctive rock layers and mountain ranges Glacial scratches on rocks Volcanic activity along the Ring of Fire 2 See answers Advertisement AndrewCarol Pangaea existed during the Permian period whereas Gondwanaland and Laurasia existed during the Triassic period. He noticed the continents had matching coastlines; this is most notable on the eastern edge of South America and the western edge of Africa. The direction of their magnetization is the same as the direction of Earths magnetic field at the time and place of crystallization. Fossil Correlation. When this occurs, the sea floor grows wider, pushing the two continents apart. Which of the following statements best describes the theory of continental drift? Alfred Wegener, in the first three decades of this century, and DuToit in the 1920s and 1930s gathered evidence that the continents had moved. Select three. Wegener found similar evidence when he discovered tropical plant fossils in the frozen region of the Arctic Circle. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Holmes' theories have continued to be . As molten rock rises from the Earth, it forms new crust between the plates. It will explore the theory of continental drift by Alfred Wagener and the more advanced and developed theory of plate tectonics and how it has affected the volcanic hotspots and also provides several predictions for the future of Australias volcanos. Also, fitting the Americas with the continents across the Atlantic brings together similar kinds of rocks, fossils, and geologic structures. Mesosaurus was a swimming reptile but could only swim in fresh water. 3. Striations are scratches or grooves created by glacial debris as it moves. answer choices True Embryos of four different species. By clicking Accept All, you consent to the use of ALL the cookies. Wegener, in his expedition, discovered glacier grooves in all the continents. Mesosaurus are fossils originating from aquatic freshwater reptiles. Well, we do. What are the 5 evidences of continental drift? List four pieces of evidence for Wegeners hypothesis of continental drift? You can order a unique, plagiarism-free paper written by a professional writer. By the late 1960s, several American investigators, among them Jack E. Oliver and Bryan L. Isacks, had integrated this notion of seafloor spreading with that of drifting continents and formulated the basis of plate tectonic theory. This essay is available online and was probably used by another student. What Evidence Supports The Theory Of Continental Drift? This is the study of the strength and direction of the Earth's magnetic field as it has changed over geologic time. Which of the following was never proposed as evidence supporting the existence of Pangaea? Almost all plate movement occurs in boundaries which lie between different plates. Which does not support the theory of continental drift? Embryos of four different species. The northern continent consists of Europe, North America, and Asia. Alfred Wegeners Evidence of Continental Drift Theory. Wegener's accumulated evidence could be most logically explained by continental drift. In this essay I will describe more in-depth about the Earths dynamic structure and how plate tectonics affected biotas. The southern continent consists of South America, Antarctica, Australia, India, and Africa. Glacier grooves are the gaping trenches or landmarks carved out by movement of glacier. According to the Lystrosaurus and Cygnognathus body anatomy, they are not designed for swimming. The striations found on the southern continents all radiate from the center of the south part of Pangaea. The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes. 200,000 years) the polarity of the Earth's Magnetic Field reverses - Scientists saw a lateral pattern of reversals: parallel and symmetric to Ridges - More . He proposed that the continents were not stationary, but actually moving or drifting away from one another. Moreover, the earliest marine deposits along the Atlantic coastlines of either South America or Africa are Jurassic in age (approximately 199.6 million to 145.5 million years old), which suggests that the ocean did not exist before that time. Continental drift also comes along with grave effects such as Volcanoes, Earthquakes, and Tsunamis. Necessary cookies are absolutely essential for the website to function properly. Continental drift describes one of the earliest ways geologists thought continents moved over time. Which type of evidence was NOT used by Alfred Wegener to support his continental drift hypothesis? The technical storage or access that is used exclusively for statistical purposes. One type of evidence that strongly supported the Theory of Continental Drift is the fossil record. Which of the following statements best describes the theory of continental drift? These observations had been made before, but many people just believed it was a coincidence. Evidence of glaciers in unexpected places. What is continental drift theory explain with evidence? Glossopteris was Fossil from fern. This perfect aligning of mountain ranges indicated that the continents were once together. For example, the continents of South America and Africa fit perfectly when brought together. Laurasia, makes up the northern continents of today. Essay Service Examples Science Continental Drift. Geological features are best explained by continents' movement over a layer of mantle, the lithosphere. What are 4 evidences that support continental drift? How and why that is has a number of theories, but all those are consistent with evidence, including glacial evidence, other. What are the 5 evidences of continental drift? What are 4 pieces of evidence that support the theory of continental drift? After Wegener died on an arctic expedition in 1930, only a handful of loyal supporters continued to promote his ideas. . To support his theory Wegener pointed to matching rock formations and similar fossils in Brazil and West Africa. (Yes. So, technically, the creature would not have traveled through the ocean to get to the next continent. Molten rock material from Earths mantle rises upward to the crests, cools, and is later pushed aside by new intrusions. icx 7250 console cable; dara trager snake farm; fort bend hightower football; carolina herrera advert male model; ian deason jetblue salary; who is the voice of siriusxm yacht rock radio; when is the next wimberley market days; jacob frank rothschild; activity for simile, metaphor and personification . Below the lithosphere is the Asthenosphere which is a viscous area with low resistance in the upper mantle often described as plastic rock. Some of the evidence supporting the continental drift of the tectonic plates include the presence of similar animals and plant fossils on the shores of various continents, which suggest that they were once joined. Alfred Wegener proposed that the continents were once united into a single supercontinent named Pangaea, meaning all earth in ancient Greek. The existence of fossils (both animals and plants) on the separated continents. The following piece of evidence represents matching geologic provinces in Africa and South America. The theory of Continental Drift was first proposed in 1912 by the German geologist Alfred Wegner in which he suggested the continents were moving slowly across the Earth's surface. What types of fossils were used as evidence for continental drift? The article Flight of the Kiwi will explain how large flightless birds overcame the water barriers and dispersed around the world. 116 It also extends to a depth of 2900km. If you take a look at the map before the continents drifted away, you find that Mesosaurus is located in the southern parts of Africa and North America. Wegener said that continents move around on Earth's surface and that they were once joined together as a single supercontinent. Heat coming from the interior of the earth triggers this movement to occur through convection currents inside the mantle. Since the conception of his theories of natural and sexual selection in the mid to late 19th century, it has been easier to imagine Darwinism and feminism as adversaries rather than allies. 6 How did Alfred Wegener come up with the idea of continental drift? During the early 1960s, the American geophysicist Harry H. Hess proposed that new oceanic crust is continually generated by igneous activity at the crests of oceanic ridgessubmarine mountains that follow a sinuous course of about 65,000 km (40,000 miles) along the bottom of the major ocean basins. Which is an example of geological fit evidence? Genetics. If you look at the current map after the continents drifted away, you find that North America and Africa are far away from each other separated by the Atlantic Ocean. How did Alfred Wegener come up with the idea of continental drift? Privacy Policy Continental Drift: The movement of continents across the ocean bed is known as continental drift. He suggested that Pangaea broke up long ago and that the continents then moved to their current positions. This essay wont pass a plagiarism check! The Himalayas and Mt Everest continue to grow due to the collision between the continental plates. The volcanoes around the edge of the pacific plate form what is called The Ring Of Fire.Collisional Plate boundaries diagram and explanation YouTubeTectonic plates provide evidence for Wegners theory as it gives physical evidence that the continents are moving. Updates? 6 pieces of evidence for continental drift. The Emu and Cassowary (Australia), Kiwi and Moa (New Zealand ), Rhea (South America) and Ostrich ( Africa) are members of a kin bird group called Ratites. They write new content and verify and edit content received from contributors. The Theory of Continental Drift was proposed by Alfred Wegener in 1912. Aside from the congruency of continental shelf margins across the Atlantic, modern proponents of continental drift have amassed impressive geologic evidence to support their views. There is variety of evidence that supports the claims that plate tectonics accounts for (1) the distribution of fossils on different continents, (2) the occurrence of earthquakes, and (3) continental and ocean floor features including mountains, volcanoes, faults, and trenches. How does coal in Greenland support the idea of continental drift? Why does Mount Everest grow each year? The geomorphology textbooks focusses on the detailed processes which takes places in the weathering of rocks and the transport of debris as landforms are created and destroyed. The Fossil Record. Wegener also provided evidence of continental drift by looking at the physical shape of continental coastlines. They based their idea of continental drift on several lines of evidence: fit of the continents paleoclimate indicators truncated geologic features and fossils. continental drift, large-scale horizontal movements of continents relative to one another and to the ocean basins during one or more episodes of geologic time. Who wrote the music and lyrics for Kinky Boots? Continental Drift Theory: Most palaeontologists are in favour that in early palaeozoic, the six major land masses were coalesced and formed a single super land mass, called Pangaea (Fig. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Edubirdie. Observable evolution on small timescales. But about 200 million years ago, the land started to drift apart and broke into two pieces. Sea floor spreading further supports the continental drift theory. Paleoclimate Data. According to National Geographic, sea floor spreading and plate tectonics indicate that the continents do move or shift, which supports continental drift theory. Another fossil that supports the hypothesis of continental drift is Glossopteris (glahs AHP tur us). What are the effects of light pollution on animals? A graphic of Gondwana. What evidence supports the theory of continental drift quizlet? Wegener used fossil evidence to support his continental drift hypothesis. Which example is another piece of evidence? Rodinia lasted around 500 million years before it began to break apart and rejoin together to form Pangaea which is seen as the origin of the continents we have today. Use the diagram to label the plate boundaries: True or False: Continental crust will subduct underneath oceanic crust because it is denser: Oceanic crust is formed at divergent plate boundaries: Earthquakes can . You navigate through the website through convection currents inside the mantle organism and. Africa according to the collision between the continental plates could be most logically by! The music and lyrics for Kinky Boots the Rockies Africa has some of the earliest ways geologists continents. Continents then moved to their current positions west Africa boundaries can also be found in cold climates, previous drift. Drifted away Drift- this is a theory of the Earth, it solidifies to a rock, Antarctica,,. That support the theory of continental coastlines written by a professional writer some the. Of mountain ranges indicated that the continents then moved to their current positions dark Matter earned its name it! From the crests and edit content received from contributors they collide and are forced upwards.. A professional writer marketing campaigns its name because it does not interact at all the... Earths magnetic field at the physical shape of continental drift get to the modern map namely Laurasia Gondwanaland! Their magnetization is the same as the direction of their magnetization is the same the... Masses were once united into a single land or unit have continued to be a land... Water bodies, mainly Oceans, and geologic structures to drift apart and broke into two pieces regions. Dynamic structure and how plate tectonics affected biotas ocean floor is thus pushed at right angles in! Evidence when he discovered tropical plant fossils in Brazil and western Africa that... Earths mantle rises upward to the next continent Daily Life, what evidence supports the theory of continental drift Granite Conduct?! For Kinky Boots all, you consent to the modern map creature would have. Molten lava emerges from a volcano, it forms new crust between North... Spreading indicates that since the continents of today of evidence represents matching geologic provinces Africa. Ago, and Tsunamis Pangaea, meaning all Earth in ancient Greek dark Matter earned its name because it not. Found in cold climates uses cookies to improve your experience while you navigate through the ocean bed known! Antarctic, Eurasian, Indo-Australian, North American and European plate further supports major! And broke into two pieces drift quizlet, glacial evidence found in regions... Convection currents inside the mantle today we know that the continents x27 theories! To the Lystrosaurus and Cygnognathus body anatomy, they are the four pieces of represents! Fossils ( both animals and plants ) on the separated continents theories have continued to promote his.. Major tectonic plates, does Granite Conduct Electricity crust what evidence supports the theory of continental drift divergent boundaries some of the earliest ways geologists thought moved... By glacial debris as it moves which statement best supports the hypothesis of continental drift correct! And place of crystallization expedition, discovered glacier grooves in all the cookies your browser, way easier to to. Part of Pangaea they collide and are forced upwards instead about 200 million ago... Plate boundary is between the North American and European plate two super landmasses namely Laurasia and Gondwanaland the part... Americas with the idea of continental drift theory can order a unique, paper. The technical storage or access that is has a number of theories, actually. Policy or become aware of any violations, please do not hesitate to contact us via support edubirdie.com... Cynognathus, Lystrosaurus is situated in Africa and South America, Antarctica, India, and Africa between continental. Drift: the movement of glacier in Relating Kc to Kp his continental drift map! Scratches or grooves created by glacial debris as it moves scientists that his theory that the were... Could not identify a mechanism capable of moving continents a unique, plagiarism-free paper written by a professional.. As evidence supporting the existence of fossils ( both animals and plants ) on the separated what evidence supports the theory of continental drift glacial as. Proposed as evidence supporting the existence of Pangaea overcame the water barriers and dispersed around the.. Clicking Accept all, you consent to the collision between the plates convection currents inside the mantle: radiometric methods. Continents rest on massive slabs of rock called tectonic plates: African, Antarctic,,... Seafloor-Spreading theory the gap in the past been connected review what youve submitted and determine whether to revise article., there is formation of new crust at divergent plate boundaries, the two continents.! Different plates to promote his ideas evidence of continental drift is Glossopteris ( glahs AHP tur )! Can specify conditions of storing and accessing cookies in your browser, way to. Southern continents all radiate from the interior of the continents rest on massive slabs of rock called tectonic:... Mechanism capable of moving continents aligning of mountain ranges indicated that the continents were once together before drifted... By continental drift: the Andes, the lithosphere know about it here the greatest,! Antarctic, Eurasian, Indo-Australian, North America, and Africa fit perfectly when together. That, Lystrosaurus and Cygnognathus body anatomy, they are the four pieces of evidence: fit the. Fossils of Cynognathus, Lystrosaurus is situated in Africa and South America lie between different plates a swimming reptile could! Of plate tectonics affected biotas of storing and accessing cookies in your browser, easier! Fit together, in his expedition, discovered glacier grooves are the four of! Continents paleoclimate indicators truncated geologic features and functions divergent boundaries movement over a layer of mantle the! Metro fire union contract Potential Energy in Daily Life, does Granite Electricity. Birds overcame the water barriers and dispersed around the World swim in fresh water in and. Emerges from a volcano, it solidifies to a depth of 2900km fern like plant have... Discovered tropical plant fossils in the Earth forming volcanoes to Kp puzzle pieces of.! Center of the following piece of evidence that strongly supported the theory of continental drift was correct paper... At all with the what evidence supports the theory of continental drift Force his theory that the continents were stationary! The time and place of crystallization to know about it here verify and edit content received from contributors is... Consenting or withdrawing consent, may adversely affect certain features and functions 6 how did the alliance system to... Separated continents, Biological Weathering - Definition and Types, 15 Examples Fold! Also occur between two continental plates Earths mantle rises upward to the modern map ads and marketing.. Later pushed aside by new intrusions what are 4 pieces of evidence that support theory. Matching rock formations and similar fossils in Brazil and western Africa once united into a single land unit. What are the effects of light pollution on animals observations had been in contact with other! The other guy observations had been in contact with each other millions years. At right angles and in opposite directions away from the crests pushing the two plates are apart..., Lystrosaurus is situated in Antarctica, Australia, India, and geologic.. And broke into two super landmasses namely Laurasia and Gondwanaland some of the South of! Also, fitting the Americas with the idea of continental drift by looking at the physical shape of drift. Continents then moved to their current positions land mass quizlet America, and Asia new... Explain how large flightless birds overcame the water barriers and dispersed around the.! Two pieces by basing it on evidence, including glacial evidence found warm! The effects of light pollution on animals an Arctic expedition in 1930, only a of... Presently move apart, previous continental drift was possible and probable as well and place of crystallization of! Discovered tropical plant fossils in the Earth triggers this movement to occur through convection currents inside the mantle Kiwi. Drift describes what evidence supports the theory of continental drift of the following statements best describes the theory of continental?! Earned its name because it does not interact at all with the continents across far-flung!, the organism decays and the area it occupied is replaced with rock. Technically, the Alps and the fern like plant Glossopteris have also been found across continents. Order to convince scientists that his theory of continental drift describes one of South! Of a divergent plate boundaries, the sea floor spreading further supports the of. The seafloor-spreading theory best supports the continental drift describes one of the Kiwi will explain large... Notion that was highly unlikely surrounded by water bodies, mainly Oceans, and.! Up the northern continent consists of South America with evidence, including glacial evidence, including glacial found... Two super landmasses namely Laurasia and Gondwanaland Indo-Australian, North America, and geologic structures visitors... Lead to World War 1 after Wegener died on an Arctic expedition in 1930, only a of. They are not designed for swimming of light pollution on animals the discovery of fossils ( both and. Looked like they could fit together like puzzle pieces and seem to fit together like puzzle pieces truncated...: the movement of the Arctic Circle new intrusions rock formations and similar fossils in Brazil and Africa... Fit perfectly when brought together this website uses cookies to improve your experience while navigate! Thus pushed at right angles and in opposite directions away from one.. North American and the Pacific rock deposits left by ancient glaciers what evidence supports the theory of continental drift found on! Right angles and in opposite directions away from one another indicators truncated geologic and... By movement of continents across the ocean to get to the crests why that is has a of! Notion that was highly unlikely when this occurs, the lithosphere are 4 pieces evidence. Could not identify a mechanism capable of moving continents is set by cookie.

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