There are two requirements for producing a surface melt anomaly. He suggested that germany could ease its debths after wwi by extracting gold from sea water theoretically up to 56 mg of gold can be extracted from 1 m3 of sea water. Lithosphere is divided into plates that slide around on top of the slowly moving mesosphere tectonic plates it occurred after the breakup of pangaea, and since then the continents have drifted apart. Notes on plate tectonics plate tectonics states that the earths crust and upper mantle are broken into sections, called plates. Plate convergence vectors referenced from united states geological survey. The story on the discovery of the mid ocean ridges starts with fritz haber, a prominent german chemist nobel prize in chemistry in 1918. The number of tectonic plates on earth described in the literature has expanded. Create a piece of art model, sculpture, painting, drawing on plate tectonics and include a 5 paragraph explanation of your art.
This guide is an outline of the plate tectonic and earthquake seismology powerpoint presentations. Is hotspotvolcanism a consequence of plate tectonics. Plate tectonics underlined words and phrases are to be filled in by students on the a. Notes plate tectonics continental drift alfred wegener came up with the theory of continental drift idea that all of the continents were once joined together in a single landmass called pangaea and have since moved to their current positions. The theory of plate tectonics describes how the plates move, interact, and change the physical landscape. The theory has caused a revolution in the way we think about the earth. Each type of interaction causes a characteristic set of earth structures or tectonic features. Crust mantle core crust lithosphere plate movement the crust is broken into plates that move. Introduction to plate tectonics and earthquakes lesson plans. In yellowstone, there is no evidence for an exceptionally large volume of magma, because the crust there is no thicker than the regional average.
Wipe the site where nplate is to be injected with an alcohol swab, using a circular motion. To explain the theory of plate tectonics and present the information in a creative format. As you read each paragraph, take notes about the key ideas in the. According to the theory of plate tectonics, the earths lithosphere is broken into distinct plates which are. Plate tectonics has had a profound affect on earths geologic and biologic history. I also organized a few teacher notes on plate tectonics to help guide class discussions today. This plate motion causes them to collide, pull apart, or scrape against each other. The movement of the plates creates three types of tectonic boundaries. A major geological system is the tectonic system that involves the movement of lithospheric plates. Nplate 250 micrograms powder and solvent for solution for injection. Plate tectonics theory is used to develop a least squares method for finding all the relative motions of any n interacting plates simultaneously. Tectonic plates california institute of technology.
Nplate is a thrombopoietin receptor agonist indicated for the treatment of thrombocytopenia in. Plate tectonics is the surface manifestation of mantle convection, but the large contrast in viscosities between the lithosphere and the deeper mantle leads to departures from a simple boiling pot analogy. Plates are composed of lithosphere, about 100 km thick, that float on the ductile asthenosphere. Introduction to plate tectonics smith and pun chapter 1 2 tectonics is the study of the origin and arrangement of the broad structural features of earths surface including.
Folds and faults mountain ranges continents earthquake belts the basic premise of plate tectonics is that the earths surface is divided into a few large, thick. Matching rocks rocks found on south america and africa match up. The continental drift hypothesiscontinents have moved slowly to notetaking worksheet. The tectonic mechanism for the generation of different metamorphic facies series along plate boundaries has changed in earths history.
The layer below the lithosphere is the asthenosphere. The earths crust and part of the upper mantle are broken into sections, called plates which move on a plasticlike layer of the mantle. There are many different categories or disciplines that make up the science of geology. From wikipedia, the free encyclopedia plate tectonics from greek, tekton. At plate boundaries, plates collide, move apart, move under or over each other, or slide past one another. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Dec 12, 20 a quick overview of plate tectonics, including a look at the different types of plate boundaries. Plate tectonics webquest rich township high school. Classroom interactions 2007 the university of texas at austin 5e lesson template lesson authors l ochsie lesson title lets explore plate tectonics. N plate problem of plate tectonics geophysical journal international. A pdf guide to plate tectonics and earthquakes is also available. The book first offers information on the rheological stratification of the mantle and kinematics of relative movements. Continental crust underlies much of the earths land surface. They move at a rate of one to two inches three to five centimeters per year.
Continental drift, sea floor spreading and plate tectonics. I prepared for todays lesson by projecting and tracing the following document plate tectonics template on a large bulletin board paper. In 1967, mckenzie and parker suggested the theory of plate tectonics. For the rest of us, plate tectonics is a simple theory that helps make sense of the earths face. In the end, plate tectonics arises by the formation, accumulation and. The earth is composed of layers of different composition and physical properties, principally the solid central core, the fluid peripheral core, the viscous mantle, and the solid. The presentday number of tectonic plates springerlink. All continents were once connected as one large landmass now called pangaea. About 5 centimeters 2 inches per year cooler, denser slabs of oceanic lithosphere descend into the mantle. But learning about it during the last 40 years has given scientists many theoretical tools to understand other planets, even those that circle other stars. Alfred wegenerfrom continental drift to plate tectonics article pdf available in resonance 106. The guide contains links to totle introduction to plate tectonics and earthquakes teaching resources and a table of contents of teaching resources on this topic. Describe some of the events and pieces of evidence that led to the theory of plate tectonics. Adult patients with immune thrombocytopenia itp who have.
Lithosphere is divided into plates that slide around on top of the slowly moving mesosphere tectonic plates it occurred after the breakup of pangaea, and since then the continents. Tectonic plates plate boundary referenced from bird, peter 2003 an updated digital model of plate boundaries. Since the development of the theory, geologists have had to reexamine almost every aspect of. Plate tectonics it was from the continental drift theory, convection current theory and the theory of seafloor spreading, the theory of plate tectonics was formulated. Plate tectonics the tectonic plates of the world were mapped in the second half of the 20th century. Download pdf versiondownload doc versiondownload the. Surface observations and seismic waves showed that the earths interior was solid. According to the generally accepted plate tectonics theory, scientists believe that earths surface is broken into a number of shifting slabs or plates, which average about 50 miles in thickness.
At transform boundaries, tectonic plates are not moving directly toward or directly away from each other. Labs, lab reports, and projects are experiential activities with the purpose of collecting and analyzing data in order to achieve an understanding of science concepts. Pdf alfred wegenerfrom continental drift to plate tectonics. Mar 21, 2020 plate tectonics, theory dealing with the dynamics of earths outer shell that revolutionized earth sciences by providing a uniform context for understanding mountainbuilding processes, volcanoes, and earthquakes as well as the evolution of earths surface and reconstructing its past continents and oceans.
How would solid material accomodate movement in this solid body. Create a timeline of the events leading to the theory of plate tectonics. The structure of the earth, plate tectonics and landforms. Plate tectonics information and facts national geographic. According to the theory of plate tectonics, the earths crust and upper mantle are broken into moving plates of lithosphere. These plates move relative to one another above a hotter, deeper, more mobile zone at average rates as great as a few inches per year.
Plate tectonics focuses on the exposition of the plate tectonics hypothesis, as well as plate boundaries, stratification, and kinematics. Nplate should be administered once weekly as a subcutaneous injection. Plasienka geological institute, slovak academy of sciences, slovakia keywords. Chase cg 1972 the n plate problem of plate tectonics. Plate tectonics, our major paradigm for how the earth works, was established in the 1960ies following decades of observational research that culminated in key discoveries such as geomagnetic. Plate tectonic theory both hesss discovery and wegners continental drift theory combined into what scientists now call the plate tectonic theory. By combining the sea floor spreading theory with continental drift and information on global seismicity, the new theory of plate tectonics became a coherent theory to explain crustal movements. Geologists recognize three major types of plate boundaries based on their mode of interaction. This is recorded by the change of metamorphic thermal gradients with time. The earths crust is divided into plates which are moved in various directions. Convergence data are shown by arrows describing direction and speed, relative to the plate across the boundary. Plates are composed of the crust and a part of the upper mantle, these two parts together are called the lithosphere. To understand plate tectonics, the different ways of classifying the layers of the earthby composition and by mechanical behaviormust be kept in mind.
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