'Plate motions' diaporamas de présentation

Volcanoes

Volcanoes. How and Where do they Form? Analyze how Magma forms as a result of plate motion and interaction Magma and Erupted Materials What different materials erupt from a volcano? Volcanic Landforms What sort of landforms result from volcanic activity. Violent Volcanoes.

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Plate Tectonics: A Scientific Revolution unfolds

Plate Tectonics: A Scientific Revolution unfolds. Alfred Wegener first proposed continental drift hypothesis in 1915 published The Origin of Continents and Oceans Continental drift hypothesis the supercontinent called Pangaea began breaking apart about 200 million years ago.

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SIO 160: Lecture 4 Plate Motions on a Sphere

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Volcanoes

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Past, Present and Future

Past, Present and Future. What have we learned? Mantle and Plates are an intimately coupled system Deep mantle structure is important for the surface Geological information provides quantitative constraints Mixing is complicated!. Where are we now? -Circulation models

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Plumes, hotspots and the CMB

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Plate Tectonics What is it and what makes it work? Steven Earle, Geology Department Malaspina University-College

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New Geometric Datum: plans

New Geometric Datum: plans. Modernizing the U.S. National Spatial Reference System. FGCS San Diego, California Monday 11 July 2011. Joe.Evjen@noaa.gov. Source: Zurich-American Insurance Group. Coordination begins with good coordinates . Geodetic control is the foundation

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Mountain Building

Mountain Building. Folding and Faulting. Stress in the Crust. Stress from plate motions causes crustal rocks to deform Rocks near the surface are cool and rigid . They will tend to fault ( break )

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Plate Kinematics

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GEOLOGY

GEOLOGY. Chapter 10 Plate Tectonics 10.4 Causes of Plate Motions. 10.4 Causes of Plate Motions Objectives. Explain the process of convection. Summarize how convection in the mantle is related to the movements of tectonic plates. Compare and contrast the processes of ridge push and slab pull.

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Plate boundaries are marked in several ways:

Plate boundaries are marked in several ways: . Names of the plates: . (Lowrie, 1997) Arrows indicate relative velocities (mm/yr) from NUVEL-1 model of DeMets et al., 1990. Types of plate boundaries: . Assumptions of Plate Tectonics.

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Spreading Plates and Other Types of Plate Motions

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