'Divergent plate boundary' diaporamas de présentation

Chapter 2

Chapter 2. Key concepts: Continental drift Seafloor spreading Convergent plate boundary Divergent plate boundary Transform-fault plate boundary Why do plates move? Magnetic anomalies Pangaea. Which force(s) create earthquakes and volcanoes?. Gravity Electro-magnetism Nuclear forces.

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Topic VI: The Dynamic Earth

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Science Jeopardy

Science Jeopardy. Rocks. Minerals. Erosion/Deposition. Vocabulary. Miscellaneous. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. Double Jeopardy Round. ANSWER: Three main types of rocks.

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Plate Tectonics

Plate Tectonics. lithosphere. asthenosphere. mesosphere. Lithosphere (hard). Asthenosphere (soft). Mesosphere. Earth formed 4.6 bya. Inner Core- 4300 o C mostly iron core inner part is so compressed that it is solid Outer Core- 3700 o C iron and sulfur liquid . Crust

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Plate Tectonics

Plate Tectonics. What Goes On Beneath Our Feet. The Beginning Of Time. The time when the earth was born was called the Precambrian Era. In this Era All of the continents were joined together in one huge island called Pangea. PLATE TECTONICS. Major Tectonic Plates of the World.

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Daily Work

Daily Work. _________ Layer of molten iron and nickel that surrounds the inner core. _________ Thinnest, outermost layer of Earth; ranges from 5 to 100 km thick. _________ Name of the theorized super continent. _________ Rigid layer consisting of the crust and uppermost part of the mantle.

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Basin Analysis

Basin Analysis. Chapter1: Basins and their plate tectonic environment This presentation contains illustrations from Allen and Allen (2005 ) as well as illustrations from Press et al. (2004). Basins. INTRODUCTION Definition and examples (What is a basin?) How are basins classified?

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Section 2.1 Geo Words

Section 2.1 Geo Words. Geologist. A scientist who studies the materials, processes, and history of the Earth. Geoscience. A scientist who studies the processes of the geosphere, atmosphere, hydrosphere, cryosphere, and biosphere on Earth and other planets. atmosphere. cryosphere. biosphere.

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Plate Tectonics

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What happens at tectonic plate boundaries?

What happens at tectonic plate boundaries?. Three types of plate boundary. Divergent Convergent Transform. Divergent Boundaries. Spreading ridges As plates move apart new material is erupted to fill the gap. Iceland: An example of continental rifting.

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Plate Tectonics

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Plate Boundaries

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VOLCANIC HAZARDS ASSESSMENT

VOLCANIC HAZARDS ASSESSMENT. Human-based Data Sources Geochemical Data Geophysical Data. ACTIVE vs. EXTINCT VOLCANOES. Historians say: Active volcanoes are those that are erupting or showing some activity now.

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Earth Systems 3209

Earth Systems 3209. Reference: Chapters 4, 15, 16, 19; Appendix A & B. Unit: 4 The Forces Within Earth. Unit 4: Topic 5.1. Types of Volcanoes. Focus on . . . define volcano.

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the Connecticut Valley: Rifting and volcanism

Amy Lombari Zoe Gentes Andew Infante Jennifer Sullivan Dennis Titterton. the Connecticut Valley: Rifting and volcanism. Pangaea. The breakup of Pangaea is estimated to have occurred around 200 million years ago during the Mesozoic era (early Jurassic period) ( Tarbuck , 2002)

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Disease

Disease. Any impaired function of the body with a characteristic set of symptoms Application: Human biological risk. Distribution . Areas of the world in which a species live Application: Evolution shapes ecological niches and determines species distributions. Disturbance .

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The Ocean Floor

The Ocean Floor. Features of the Ocean Floor. Continental Shelf. Zone of shallow water where the ocean covers the end of the continent. Shallow slope Where most ocean life is found. Why? Answer: Photic zone is the first 100 feet of water and allows sunlight to penetrate the water. .

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Virginia Geologic Regions

Virginia Geologic Regions. Coastal Plain. Youngest Sedimentary rocks Mineral resources: titanium and zirconium Low relief Beaches, swamps, bays, estuaries Was created from material from Appalachian mountains which was eroded, transported and deposited to this region. Piedmont.

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Rift valleys

Rift valleys. A rift valley is a linear-shaped lowland between several highlands or mountain ranges created by the action of a geologic rift or fault. Formation of rift valleys.

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