'Shield volcanoes' diaporamas de présentation

Semester Exam Review

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Venus and Mars

Note that the following lectures include animations and PowerPoint effects such as fly ins and transitions that require you to be in PowerPoint's Slide Show mode (presentation mode). Venus and Mars. Chapter 22. Guidepost.

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Volcanoes

Volcanoes. Volcanoes. Evidence that we live in an active planet The gods of the underworld Millions of people live near active volcanoes The greatest geological hazard. Mount Saint Helens- after. Hazard. Future hazard. Population near big, recently active volcanoes Seattle Mexico City

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Chapters 4 & 5: Volcanoes

Chapters 4 & 5: Volcanoes. What you will learn How plate tectonics leads to volcanic activity The parts of a volcano and the products of a volcanic eruption External or extrusive landforms (volcanic) Internal or intrusive landforms (plutonic)

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Volcanism

Volcanism. SOME BACKGROUND. The word Volcano comes from the little island of Vulcano in the Mediterranean Sea off the coast of Sicily. Centuries ago, the people living in this area believed that Vulcano was the chimney of the forge of Vulcan - the blacksmith of the Roman gods.

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Volcanic Activity

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A Plate Tectonic Primer

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TYPES OF VOLCANOES

TYPES OF VOLCANOES. What is a volcano?. Any opening in the crust through which magma has reached the surface. What is the opening called?. The vent. What is lava?. Magma that has reached the surface and cooled. Answer these questions. What do you call lava while it is still in the mantle?

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GG103 Nasir Gadzar

Volcanoes of the Island of Hawaii. GG103 Nasir Gadzar. http://pubs.usgs.gov/gip/hazards/mauna-loa.html http://pubs.usgs.gov/gip/hazards/maunakea-kohala.html http://pubs.usgs.gov/gip/hazards/hualalai.html http://pubs.usgs.gov/gip/hazards/kilauea.html. Mahukona.

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Volcanoes and Volcanic Deposits 2

Volcanoes and Volcanic Deposits 2. IN THIS LECTURE Shield Volcanoes Stratovolcanoes Other Types of Volcanic Centres Flood Basalt Provinces Maar and Tuff Rings Intermediate-silicic centres Rhyolitic volcanoes Submarine spreading ridges and seamounts Intra- or subglacial volcanoes.

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Lava Types

Lava Types . Rock Cycle definition . The sequence of events by which rocks are initially formed, altered, destroyed, and reformed as a result of magmatism , erosion, sedimentation, and metamorphism. . Lava ,Magma. Liquid rock underground is called magma!

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The Nature of Volcanic Eruptions

The Nature of Volcanic Eruptions. Chapter 10, Section 1. Factors Affecting Eruptions. The primary factors that determine whether a volcano erupts violently or quietly include magma composition, magma temperature, and the amount of dissolved gases in the magma

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Section 4 Volcanic Landforms

Section 4 Volcanic Landforms. Guided Reading and Study. Cinder Cone. Composite. Calderas. Soils from Lava & Ash. Volcanic Necks. Dikes and Sills. Batholiths. Volcanic Landforms continued. Geysers. Landforms from Lava and Ash. List four landforms created from lava and ash.

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Volcanoes are Hot Stuff

Volcanoes are Hot Stuff. How are volcanoes formed ?.

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Earthquakes and Volcanoes

Earthquakes and Volcanoes. By: Nikita Jindal, Ian McClish, and Alisa Kepner 24-31. What is a hot spot? #24. Hot spots.

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Volcanoes

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Volcanoes

Volcanoes. Abby Budin, Amanda Miller and Nikki Prior SCI 210 Geology October 12, 2005. Shield Volcano. Form of Volcano: Slightly Sloped 6-12 degrees Size: Up to 9000m high Type of Magma: Basalt Style of Activity: Gentle, some fire fountains Examples: Hawaii. Mauna Loa.

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Tectonic Activity Volcanoes Cone Volcanoes Shield Volcanoes Composite Volcanoes Human effect of Volcanoes

Tectonic Activity Volcanoes Cone Volcanoes Shield Volcanoes Composite Volcanoes Human effect of Volcanoes. Volcanoes are formed along two types of plate boundary: destructive and constructive .

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The Effects of Plate Tectonics

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Volcanoes

Volcanoes. Not just one type. Composite Cone. Mt St Helens - USA. The volcano is built up of alternate layers of LAVA and ASH. They can explode with great violence. Crater. Pyroclastic Flow. Ash layer. Dyke. Lava Layer. Flank eruption. Conelet. Lava Flow. Crust.

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