Which of the following is an example of mountains that formed as a result of ocean-continental convergence? Hutton's quote predates plate tectonics theory by about one-and-a-half centuries, but it seems as if he was talking about divergent and convergent plate . The rocks pulled down under the continent begin to melt. At an ocean-continent convergent boundary, the oceanic plate is pushed under the continental plate in the same manner as at an ocean-ocean boundary. Download for free. At an ocean-ocean convergent boundary, one of the . at convergent margins (where an oceanic plate dives beneath another plate; magma forms in the continental plate above the diving oceanic plate), and less commonly as hot spots (where magma melts through a plate, such as Hawai`i). The process of exploring the map and drawing with colored At a convergent boundary where continental crust pushes against oceanic crust, the oceanic crust which is thinner and more dense than the continental crust, sinks below the continental crust. Practice. . To emphasize students' understanding of key words and practice applying the definitions of the vocabulary words to examples and drawings using the Frayer Model. The continental crust is lighter because of the quartz and feldspar minerals in granite. oceanic basin oceanic rift . Plate tectonics combines two previous theories, continental drift and seafloor spreading. Sometimes the molten rock rises to the surface, through the continent, forming a line of volcanoes. Learn the definition and explore the features . Draw the symbol for each tectonic feature in the chart below Divergent margins and spreading centers (draw in black) Convergent margins - subduction zone (draw in blue) Transform faults - strike-slip faults (draw in green) Hot Spot (draw in red) 2 3. Convergent Plate Boundary - Continental: (see illustration above) This is a difficult boundary to draw. 10.2 Global Geological Models of the Early 20th Century. Light green is continent-ocean transform fault. 10. asthenosphere, lithosphere, oceanic crust, continental crust, magma in the chamber and magma rising through the lithosphere, ocean water, trench, accretionary wedge, magmatic arc showing volcanoes, convection in the asthenosphere with arrows showing direction of flow. Option one is something like the Himalayas. We call these The entire region is known as a subduction zone. Subduction is a kind of geological recycling that occurs at convergent plate boundaries, where two tectonic plates come together due to the motion of the fluid mantle layer of the earth. The oceanic crust descends into the mantle at a rate of centimetres per year. Geological features of Convergent Plate Boundaries. Another form of convergent boundary is a collision where two continental plates meet head-on. Volcanic island arcs are associated with _____. And the dark green-grey is vague. 22. Which of the following is an example of a mountain range formed at a divergent boundary? Japan is an example of an ocean-ocean convergent boundary. Convergent boundaries. Rocks and sediment on the continental slope are thrust up into an accretionary wedge , and compression leads to faults forming within the continental plate (Figure 4.27 ). Continental-Continental . %. Plate Tectonics Notes _____ _____ is the German scientist that noticed all continents seemed to fit together like a puzzle. Subduction zones form when a continental plate is colliding with an oceanic plate. The events that occur at these boundaries are linked to the types of plates oceanic or continental that are interacting. 1. Some of the worksheets below are Tectonic Plates Worksheets, predicting tectonic activity, definition of plate composition, plate movement, types of plate boundary, continent-continent collision, hands-on activities, with colorful diagrams along with questions and answers at the end of each page. But the continents actually are shifting, very slowly, relative to one . Continent-continent convergent plate boundaries are not zones of subduction. Instruction. In contrast, the ages of oceanic lithospheres around the Atlantic and Indian continental margin are over 100 Ma (Mller et al., 2008), which requires large convergent force on the scale of 10 13 N/m for SI (Fig. Please draw a side view of an oceanic vs. oceanic convergent plate boundary. Also, Include an example on Earth of. Include in your discussion the features and processes associated with each (Sections 5.7A, B, and D). Before collision, both plates would have extended much further than their current boundaries: some 2500 km of India's continental crust was either subducted beneath Asia or squashed and . Progress. arcs. With the collision the continental thickness doubles, and . At an ocean-continent convergent boundary, the oceanic plate is subducted beneath the continental plate in the same manner as at an ocean-ocean boundary. MEMORY METER. The evidence for continental drift in the early 20th century included the matching of continental shapes on either side of the Atlantic and the geological and fossil matchups between continents that are now thousands of kilometers apart. 1.1 Introduction. Along a convergent boundary two lithospheric plates collide against each other. map of the word with lines marking boundaries of tectonic plates - plate tectonics stock illustrations. 4.6: Convergent Plate Boundaries. It is heated up, and while there isn't enough heat to melt the subducting crust, there is enough to force the water out of some of its minerals. Off the coast of South America, along the Peru-Chile trench, the oceanic Nazca Plate is pushing into and is being subducted under the continental part of the South American Plate. For example, sections of Earth's crust can come together and collide (a "convergent" plate boundary), spread apart (a "divergent" plate boundary), or slide past one . Oceanic-continental convergence If by magic we could pull a plug and drain the Pacific Ocean, we would see a most amazing sight -- a number of long narrow, curving trenches thousands of . The types are ocean-ocean, ocean-continent, and continent-continent. QUIZ 1 P55 With the help of Fig. In some chapters, you are required to draw diagrams to aid in your explanation. Draw the symbol for each tectonic feature in the chart below Divergent margins and spreading centers (draw in black) Convergent margins - subduction zone (draw in blue) Transform faults - strike-slip faults (draw in green) Hot Spot (draw in red) 2. Using a pencil, draw what you think happened to the bedrock when these two plates collided to represent this area today. First it is complex and second, it is poorly understood when compared to the other types of plate boundaries. The Himalayas in south central Asia are an example of a continent-continent convergent plate boundary. Divergent vs Convergent Development Models Divergent Convergent Drawings from Tenza-Peral A, Garca-Barrios L, & Gimnez A, 2010. Islands, continental fragments, sediment, and the crust that carries them can get scraped off and accreted to the edge of the continent. 1. These collisions happen on scales of millions to tens of millions of years and . The plate collisions that occur in these areas can produce earthquakes, volcanic activity, and crustal deformation.
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