'Reverse faults' diaporamas de présentation

Crust

Crust. Outermost layer or shell of the Earth Crust represents less than 0.1% of the Earth's total volume. Mantle. The zone of the Earth below the crust and above the core Divided into the upper mantle and the lower mantle, with a transition zone between. Lithosphere.

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Lecture 7 Reverse faults and folds I

Lecture 7 Reverse faults and folds I. Environments. Orthogonal convergence Himalaya Zagros Caucasus. Zagros, Elborz, etc. Caucasus. Himalaya. Earthquakes 1962-2003. Eurasian plate. African plate. Arabian plate. Indian plate. Greater Caucasus. Elborz. Lesser Caucasus. Kopet Dagh.

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Mountain Orogeny

Mountain Orogeny. Three types of plate boundary. ORIGIN OF MOUNTAINS. Orogeny = process of mountain building, takes tens of millions of years; usually produces long linear structures, known as orogenic belts. Two main processes: 1) Deformation : continental collisions, resulting in

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Mountain Orogeny

Mountain Orogeny. Three types of plate boundary. ORIGIN OF MOUNTAINS. Orogeny = process of mountain building, takes tens of millions of years; usually produces long linear structures, known as orogenic belts. Two main processes: 1) Deformation : continental collisions, resulting in

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Monitoring Earthquakes

Monitoring Earthquakes. Chapter 2, Section 3. Did you Know? The problem of predicting Earthquakes is one of the many scientific questions that remains unsolved!. It is important for scientists to develop ways to predict earthquakes because:.

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Earthquake Test Review

Earthquake Test Review. Next. Which type of stress stretches rock?. Compression. Shearing. Tension. Diversion. This is a break or a crack in the rock. Fault. Fissure. Fracture. Mine. This type of fault is caused by compression. Normal. Reverse. Strike-slip. Oblique strike-slip.

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Designed to meet South Carolina Department of Education 2005 Science Academic Standards

Earthquakes and Seismic Waves. Designed to meet South Carolina Department of Education 2005 Science Academic Standards. Table of Contents. Introduction to earthquakes : Faults and Folds (slides 3-4 )( Standard 8-3.8) Normal faults (slide 5) Reverse faults (slide 6)

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Folding and Faulting

Folding and Faulting. Chapter 4, Sec. 4. Stress. Amount of force per area put on an object. Rocks can change shape due to stress. Three types of stress:. Compression Tension Shear. FOLDING. Rock layers bend due to stress Assume most rocks are laid down horizontal. FAULTS.

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Folding and Faulting

Folding and Faulting. Chapter 4, Sec. 4. Stress. Amount of force per area put on an object. Rocks can change shape due to stress. Three types of stress:. Compression Tension Shear. FOLDING. Rock layers bend due to stress Assume most rocks are laid down horizontal. FAULTS.

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Plate Tectonics and Earthquakes

Plate Tectonics and Earthquakes. Brittle vs. Ductile Deformation. Brittle. Ductile. Bends when stressed. Breaks when stressed. Brittle vs. Ductile Deformation. Deformation is dependent on: 1. Temperature (Cold or Hot) 2. Composition (Soft or Hard) 3. Strain Rate (Fast or Slow).

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Plate Tectonics and Earthquakes

Plate Tectonics and Earthquakes. Brittle vs. Ductile Deformation. Brittle. Ductile. Bends when stressed. Breaks when stressed. Brittle vs. Ductile Deformation. Deformation is dependent on: 1. Temperature (Cold or Hot) 2. Composition (Soft or Hard) 3. Strain Rate (Fast or Slow).

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EARTHQUAKES

EARTHQUAKES. Chapter 5. http:// www.youtube.com/watch?v=CtBXTvtFaCU&safe=active. What are Earthquakes ?. Earthquakes occur when tectonic plates move suddenly The shaking or trembling caused by the sudden release of energy. Measuring Earthquakes ?.

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Earth's Crust in Motion

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Take out your notebook

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Rock Deformation

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Moving earth wrap up

Moving earth wrap up. Notes on earthquakes Earthquakes are short-lived episodes of ground shaking produced when blocks of Earth suddenly shift.

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Forces Inside Earth (43)

Forces Inside Earth (43). Once the elastic limit is passed, the rocks may break When rocks break, they move along surfaces called faults To relieve this stress, the rocks tend to bend, compress, or stretch. If the force is great enough, the rocks will break.

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Coulomb stress change due to Wenchuan Earthquake

Coulomb stress change due to Wenchuan Earthquake. Source fault. dCFS on Reverse faults. H=30km, Reverse faults. dCFS on faults with rake=135. dCFS on strike-slip faults.

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