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Topic: List of tectonic plate interactions

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List of tectonic plates

List of plate tectonics topics

Plate tectonics

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Pacific Plate

Antarctic Plate

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South American Plate

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	List of tectonic plate interactions - Wikipedia, the free encyclopedia
		Obduction occurs when the continental plate is pushed under the oceanic plate, but this is unusal as the relative densities of the tectonic plates favours subduction of the oceanic plate.
		The Pacific Plate is being subducted under the Eurasian and Philippine Plates.
		The Pacific Plate is also being subducted under the Indo-Australian Plate north and east of New Zealand, but as this map (109 KB jpg) illustrates, the direction of subduction reverses south of the Alpine Fault where the Indo-Australian Plate starts being subducted under the Pacific Plate.
	en.wikipedia.org /wiki/List_of_tectonic_plate_interactions (435 words)

	Transform boundary - Wikipedia, the free encyclopedia
		In plate tectonics, a transform boundary (also known as transform fault boundary, transform plate boundary, transform plate margin, slip boundary or conservative plate boundary) is said to occur when tectonic plates slide and grind against each other along a transform fault.
		The relative motion of such plates is horizontal in either sinistral or dextral direction.
		Most transform boundaries are found on the ocean floor, where they often offset active spreading ridges to form a zigzag plate boundary.
	en.wikipedia.org /wiki/Transform_boundary (123 words)

	Plate tectonics - (Site not responding. Last check: 2007-09-18)
		Plate tectonics (from the Greek word for "one who constructs and destroys", τεκτων, tekton) is a theory of geology developed to explain the phenomenon of continental drift and is currently the theory accepted by the vast majority of scientists working in this area.
		In the theory of plate tectonics the outermost part of the Earth's interior is made up of two layers: the outer lithosphere (the crust, which has an elemental composition of: oxygen, 46.6%; silicon, 27.7%; aluminum, 8.1%; and iron, 5.0%; and the outermost part of the mantle) and the asthenosphere (the inner part of the mantle).
		The part of the tectonic plate which is common in all cases is the uppermost solid layer of the upper mantle which lays beneath both continental and oceanic crust and is considered, together with the crust, lithosphere.
	psychcentral.com /psypsych/Tectonic (4859 words)

	India Plate: Encyclopedia topic (Site not responding. Last check: 2007-09-18)
		The India or Indian Plate is a minor tectonic plate (tectonic plate: a tectonic plate is a piece of the earths crust (or lithosphere)....
		This is causing the Eurasian Plate to deform, and the India Plate to compress at a rate of 4 mm (mm: A metric unit of length equal to one thousandth of a meter) /yr (0.15 in/yr).
		Plate tectonics (Plate tectonics: The branch of geology studying the folding and faulting of the earth's crust)
	www.absoluteastronomy.com /reference/india_plate (475 words)

	ipedia.com: Plate tectonics Article (Site not responding. Last check: 2007-09-18)
		Plate tectonics (from the Greek for "builder", tekton) is a theory of geology developed to explain the phenomenon of continental drift.
		Plate boundaries are the home of the majority of the world's active volcanoes with the Pacific Plate's Ring of Fire being most active and famous.
		Where two continental plates collide, the effect is for the plates to crumple and compress, creating extensive mountain ranges, such as is occurring at the Indian and Eurasian plate-boundary with the Himalaya.
	www.ipedia.com /plate_tectonics.html (1905 words)

	Obduction: Encyclopedia topic (Site not responding. Last check: 2007-09-18)
		Obduction often occurs where a small tectonic plate (tectonic plate: a tectonic plate is a piece of the earths crust (or lithosphere)....
		[follow hyperlink for more...]) is caught between two larger plates with the crust, both island arc (island arc: an island arc is a type of archipelago formed by plate tectonics as one oceanic tectonic...
		When two continental plates collide obduction of the oceanic crust between is often a part of the resulting orogeny (orogeny: The process of mountain formation (especially by the upward displacement of the earth's crust)), or mountain building episode.
	www.absoluteastronomy.com /reference/obduction (424 words)

	Plate tectonics - QuickSeek Encyclopedia (Site not responding. Last check: 2007-09-18)
		These plates (and the more numerous minor plates) move in relation to one another at one of three types of plate boundaries: convergent (or destructive, two plates push against one another), divergent (or constructive, two plates move away from each other), and transform (two plates slide past one another).
		The tectonic plates of the world were mapped in the second half of the 20th century.This image shows the direction in which the plates are moving.
		"the tectonic plates have moved" in a BBC TV news programme describing the political effects of Ariel Sharon's illness on 4 January 2005.
	platetectonics.quickseek.com (4239 words)

	Convergent boundary - (Site not responding. Last check: 2007-09-18)
		In plate tectonics, a convergent boundary – also known as a convergent plate boundary, active margin, compression boundary or a destructive boundary – is a region of the Earth's crust where two tectonic plates are in motion toward one another.
		A subduction zone forms at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust.
		When one plate is composed of oceanic crust and the other is composed of continental crust, the oceanic plate is subducted, forming an orogenic belt and associated mountain range, often with an oceanic trench offshore.
	psychcentral.com /psypsych/Convergent_boundary (415 words)

	GEOS110 Study Guide Chapter 1 Introduction to Geology (Site not responding. Last check: 2007-09-18)
		List the principal components of the rock cycle (Fig.
		List the major tectonic plates of the globe (Fig.
		List the three types of tectonic plate boundaries and indicate which are associated marginally with the North American plate.
	www.lhup.edu /jway/110/110sg.1.htm (399 words)

	Pulling the Rug Out from under California (Site not responding. Last check: 2007-09-18)
		Plate motion reconstructions based on oceanic magnetic anomalies indicate that the MTJ was initiated 25-29 million years ago when an oceanic spreading ridge collided with the Cordilleran subduction zone.
		As the Gorda plate moves to the northeast relative to North America, it leaves in its wake a wedge of North American lithosphere that thins to the west and is underlain by asthenospheric upper mantle.
		We interpret the thickening to represent a tectonic effect associated with deformation in the Franciscan rocks overlying the Gorda plate as the triple junction migrated north.
	quakes.oce.orst.edu /papers/mendocino.eos/eos.html (3214 words)

	ETV NTTI Lesson :: Cruising the Mantle (Grade 8)
		As the plates move, they interact with each other along their edges (boundaries), colliding, splitting apart, or sliding past each other causing earthquakes, volcanoes, deep-sea trenches, rift valleys, and building mountains.
		Lithospheric plates on the scales of continents and oceans move at rates of centimeters per year in response to movement in the asthenosphere.
		Step 3: Distribute Activity Sheet 2: "Plate Tectonics." Students are to appropriately label the type of boundary illustrated, based on the effects as illustrated; name the kind of plates, oceanic or continental, that are interacting; name the process involved, if any; name the surface features that result from the interactions that are illustrated.
	www.scetv.org /ntti/lessons/2003_lessons/cruising.cfm (2192 words)

	Obduction - TheBestLinks.com - Alps, California, Cyprus, Gabbro, ...
		Obduction is the overlapping of a continental crust by oceanic crust.
		In addition, the pressure exerted on the plates may cause buckling some distance from the plate boundaries, this results in upthrust mountain ranges.
		Their study brought fundamental information on the nature of the deformations of the mantle rocks, on the displacement of the matter in the higher part of the asthenosphere and on the formation of the magmatic diapirs.
	www.thebestlinks.com /Obduction.html (194 words)

	USGS Geology in the Parks
		For 100 million years the effects of plate collisions were focused very near the edge of the North American plate boundary, far to the west of the Rocky Mountain region.
		Sketch of an oceanic plate subducting beneath a continental plate at a collisional plate boundary.
		The angle of the subducting plate is significantly flatter, moving the focus of melting and mountain building much farther inland than is normally expected.
	wrgis.wr.usgs.gov /docs/parks/province/rockymtn.html (530 words)

	Mountain range - Wikipedia (Site not responding. Last check: 2007-09-18)
		A mountain range is a grouping of mountains (often elongated) usually caused by tectonic plate interactions.
		The Himalayas in Asia are the result of the India plate hitting the asian plate.
		Singular mountains are often the result of volcanic processes but in some instances, such as the Hawaiian Islands these processes can result in a chain of mountains that might be considered a mountain range.
	wikipedia.findthelinks.com /mo/Mountain_range.html (83 words)

	Plate Tectonics Deep Ocean Trenches and the Pacific Ring of Fire
		As the giant Pacific Plate moves steadily westward, its leading edge subducts below the Eurasian Plate and is recycled into the Earth's mantle.
		Japan lies on the cusp of the Pacific-Philippine-Eurasian triple plate junction, where the complex interactions of three tectonic plates is unpredictable and loaded with potential activity.
		When the Pacific Plate encounters the Philippine Plate, because it is older and more dense than the younger Philippine, it subducts below and results in the formation of a deep ocean trench.
	www.platetectonics.com /oceanfloors/japan.asp (142 words)

	My Plates Faster Than Your Plate (Site not responding. Last check: 2007-09-18)
		This investigation focuses on the concepts of plate tectonics, including: the causes of these motions; directions and rate of movement; understanding of the three types of plate boundaries and their consequences (e.g.
		A tectonic plate is a massive slab of solid rock made of both continental and oceanic lithosphere.
		Plate tectonics has provided a reliable theory to explain the interactions which occur between the inside and outside of Earth's surface.
	edmall.gsfc.nasa.gov /inv99Project.Site/Pages/trl/inv4-4.html (2596 words)

	Plate Tectonics: Convergent Plate Boundaries
		Interactions along convergent boundaries involve the collision of pairs of plates where oceanic lithosphere is often destroyed at subduction zones.
		Convergent plate boundary: Where plates converge, e.g., collision between plates adjacent to trench, one plate over-rides another.
		Transform plate boundary: Where plates slide past each other, neither is consumed or created.
	www.mhhe.com /earthsci/geology/mcconnell/pte/cpb.htm (815 words)

	South Atlantic
		New data for global absolute plate motions based on plate tectonic (NUVEL 1A), GPS and astronomical studies (ITRF97) (Figure 9) indicate that the African plate is presently moving to the NE whereas the South American plate, east of the Andes, is moving to the NW.
		For South America (east of the Andes), as noted above, the plate motion is consistently to the NW with an Euler pole located at approximately 25.4°S and 126.4°W. For South America west of the Andes the motions to the NE are consistent with the subduction of the Nazca plate beneath the Andes.
		The stress release has emanated from the ridge axis and propagated into the African plate as shear and wrench displacement, as well as causing localised decompression melting of the mantle, resulting in short volcanic lineaments where the volcanic centres have the same age and terminate at the mid-ocean ridge of the same age.
	www.mantleplumes.org /SAtlantic.html (3636 words)

	Nat' Academies Press, The United States Antarctic Research Report to the Scientific Committee on Antarctic Research ...
		Tectonic evolution of the antarctic sector of the Pacific margin: Mesozoic and Paleozoic development of Marie Byrd Land II
		Understanding the origin of these rocks (particularly igneous rocks) and the tectonic evolution of the region is important for a better understanding of how the ancient antarctic craton evolved and how the supercontinent Gondwanaland formed.
		The study objective is to investigate the regional metamorphism and deformation of Precambrian basement rocks in the Miller and Geologists Ranges of the central Transantarctic Mountains.
	www.nap.edu /books/0309046262/html/47.html (763 words)

	LHUP Geoscience Discipline Courses
		Information derived from the disciplines of astronomy, geology, meteorology, and oceanography is examined and applied to the understanding of natural phenomena and their impact to society and the environment.
		The constant movements of lithospheric plates relative to one another throughout the immensity of geologic time account for the regional and local displacement and deformation of the Earth's outer layers.
		These deformational processes along with the changes in the size and shape of the coherent rock masses and the internal arrangement of their constituent elements are the focus of this area of geological investigation.
	www.lhup.edu /gp/geology/geocourses.html (1339 words)

	The Tectonic Sandbox: An Interdepartment Enterprise
		The idea for the tectonic sandbox was germinated over twenty-five years ago when I was a student and was trying to understand the physical processes that shape the earth's surface.
		At that time, the Plate Tectonic hypothesis was entering the realm of becoming a theory, a theory that could pull together and explain a multitude of observations into a framework that verifies we live on the surface of a dynamic planet.
		It had become evident that earthquakes are the frequent reminders of plate interactions, and my curiosity of the mechanics of the earthquake processes began.
	online.redwoods.cc.ca.us /SHR/vol1_1/bob.htm (1255 words)

	Geography Unit (Site not responding. Last check: 2007-09-18)
		The theory of plate tectonics relies on the existence of large crustal plates on the earths surface.
		The interactions which occur at these boundaries are determined by the type of plates involved and the type and direction of the pressure applied to the plates.
		After the subject has been explored in the class you will be expected to outline the major plates and their boundaries on a world map using the knowledge you have gained during this and any previous lesson.
	www.arches.uga.edu /~pboat/geographyunit/lesson2.html (229 words)

	PSIgate - Physical Sciences Information Gateway: Search/Browse Results
		James Pindell presents the plate tectonic history reconstruction, illustrated by a series of 13 maps, of the Caribbean region, stretching from Triassic-Jurassic period to late Miocene.
		From the University of Texas at Austin, 'Plates' is a programme of research into plate tectonic and geologic reconstructions.
		They include: an introduction to the crust, mantle and core; a map of world plates; the three types of plate boundaries (convergent, divergent, transform); a schematic illustration of plate tectonic processes; reconstructions of the Earth at different stages in its history; and the USGS booklet 'This Dynamic Earth'.
	www.psigate.ac.uk /roads/cgi-bin/psisearch.pl?term1=reconstructions&limit=0&subject=All (1303 words)

	Chapter 11 Study Guide
		At this time, subduction ceases and the light continental material of both plates is buckled upward in a series of folds and faults.
		The upper and lower (subducting) plates would be defined on the basis of which was older and more dense versus light and buoyant.
		Start making a list of these: (1) volcanoes; (2) plutons, etc. If you remember the rock cycle from early in the course, metamorphic rocks are sedimentary or igneous rocks altered by heat and pressure.
	www.uvm.edu /~cmehrten/courses/historical/ch9sg.html (1572 words)

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