'Pyroclastic material' presentation slideshows

VOLCANOES

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VOLCANOES

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THIS

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Volcanoes and Plate Tectonics (part 2)

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Earth Science 10.2A The Nature of Volcanic Eruptions

Earth Science 10.2A The Nature of Volcanic Eruptions . The Nature of Volcanic Eruptions . Earth Science 10.2 The Nature of Volcanic Eruptions . O n May 18 th , 1980, Mount St. Helens erupted with tremendous force. The blast blew out the entire north side of the volcano.

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Adam C. Simon Ph.D., University of Maryland, 2003 Research Associate Department of Geology

Adam C. Simon Ph.D., University of Maryland, 2003 Research Associate Department of Geology University of Maryland College Park, MD 20742 p: 301 405 0235 f: 301 314 9661 e-mail: asimon@geol.umd.edu. Volcanoes affect our lives in many ways. Today we talk about their construction.

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8.2 Volcanic Eruptions

8.2 Volcanic Eruptions. Where the rock cycle begins. Learning Targets. Compare the types of volcanic eruptions Describe a method for predicting volcanic eruptions. Volcanic Eruption. Magma collects in magma chamber Hot magma expands ? creates pressure

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VOLCANOES

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Volcanoes

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Volcanoes

Volcanoes. A Lesson Plan Written By Tom Huettl. Lecture Outline. Areas of Volcanism Types of Volcanoes Types of Lava Viscosity. Lecture Outline. Areas of Volcanism Types of Volcanoes Types of Lava Viscosity. Areas of Volcanism. Sub-ducting Boundaries

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Volcanoes and Plutons

Volcanoes and Plutons. Process that forma Magma. Increasing Temperature Decreasing Pressure Addition of Water. Environments of Magma Formation. Spreading Center Mantle Plume Subduction Zone. Mantle Plume: Hot Spots . Hawaii Island animation Iris Hot Spot. Subduction Zone .

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VOLCANIC LANDFORMS

VOLCANIC LANDFORMS. Contour Line. A line on a map that connects points of equal elevation of the land surface. Contour Interval. The vertical distance between the elevations represented by two successive contour lines on a topographic map. Topographic Map.

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Volcanoes

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PLATE BOUNDARIES AND ISLAND CHAINS, PACIFIC BASIN

PLATE BOUNDARIES AND ISLAND CHAINS, PACIFIC BASIN. MIGRATION PATTERNS AND ARRIVAL DATES FOR INDIGENOUS PEOPLE (AND WESTERNERS). From Islands by H.W. Menard. From Islands by H.W. Menard. Moorea, an eroded high island with a fringing reef. From Islands by H.W. Menard.

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Location

C. E. RR. O. N. E. R. G. O. Location. Location: 12.5N, 86.7W Elevation: 2,214 feet (675 m). Diameter of Crater: 1500 x 900 m. Tectonics. Plate. Cerro Negro is on the Caribbean Plate. Its surrounding plates collided together to form the volcano. Other Information.

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Volcanoes

Volcanoes. October 29, 2013. What causes volcanoes to form?. Form at areas of the earth surface through which magma and volcanic gases pass Because the temperature of the mantle is fairly constant, decreasing pressure allows for magma to be formed, usually at diverging plate boundaries.

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Volcanoes

Volcanoes. Volcanoes. C aused by magma (a mixture of liquid rock, crystals, and dissolved gas) expelled onto the Earth's surface . Types of Eruptions: Compare and contrast 1. Explosive (violent) Ex: Mount St. Helens and Pinatubo B egins with a blockage in the crater of a volcano

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13-2 Notes

13-2 Notes. There are 2 main types of magma. They are:. Mafic . Felsic. Magnesium and Iron . Feldspar and Silica . Dark in Color . Light in Color . Oceanic Crust . Continental Crust . Low Viscosity . High Viscosity . Runny Lava . Sticky Lava .

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Volcanic Landforms

Volcanic Landforms. Shield Volcanoes basaltic lava tends to flow long distances before hardening because of its low viscosity lava builds up in layers , forming shield volcanoes with broad bases and gently sloping sides

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