'Oceanic crust' diaporamas de présentation

Chapter 20: The Earth Through Time

Chapter 20: The Earth Through Time. Introduction: Tracking Past Plate Motions (1). The evidence in support of plate motions comes from measurements made with the Global Positioning System (GPS). However, evidence of past plate motions is not obtained through GPS.

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PLATE TECTONICS

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2 The Oceanic Environment

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Chapter 14 Geology and Nonrenewable Resources

Chapter 14 Geology and Nonrenewable Resources. Post Reading Discussion. Contents. 1b. Describe the environmental effects of gold mining. Tons of mining waste Pollutes air and nearby surface water Cyanide heap leaching Cyanide salts used to extract gold

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Geology Concepts

Geology Concepts. Mr. Clark BHS. Key Concepts. Major geologic processes. Earthquakes and volcanoes. Minerals, rocks, and the rock cycle. Plate Tectonics. Structure of the Earth. Features of the Crust and Upper Mantle. External Earth Processes. Erosion . Mechanical weathering.

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ENVIRONMENTAL SCIENCE

13e ENVIRONMENTAL SCIENCE CHAPTER 12: Geology and Nonrenewable Mineral Core Case Study: The Real Cost of Gold Two wedding rings = 6 tons of mining waste Gold mining pollutes air and water Toxic cyanide used to mine gold Gold mining harms wildlife Fig. 12-1, p. 273

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Geological Oceanography

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Lithosphere and geomorphology

Lithosphere and geomorphology. Lithosphere.

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FALCON FOCUS

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This is

This is. Jeopardy. Earth Science. Final Jeopardy. Jeopardy. What is granite?. Earth's Interior for 200. Continental crust consists mainly of the rock ______________. Back to Jeopardy. What are geologists?. Earth's Interior for 400.

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Fe/Ni

Fe/Ni. Increasing Fe toward core. Fe/Mg. Increasing Si toward surface. There are certain trends in Earths chemistry. The crust is relatively depleted in Fe, Mg and enriched in Si, O. Effect of chemical differentiation. There are certain trends in Earths chemistry.

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Plate Tectonics

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Chapter 16. Island Arc Magmatism

Chapter 16. Island Arc Magmatism. Arcuate volcanic island chains along subduction zones Distinctly different from mainly basaltic provinces thus far Composition more diverse and silicic Basalt generally subordinate More explosive Strato-volcanoes most common volcanic landform.

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Layers of the Earth

Layers of the Earth. Watch the movie trailer for Journey to the Center of the Earth. Identify characteristics that you think are true and those you think are not true. Be prepared to share. https:// www.youtube.com/watch?v=rQx2wLyagk4.

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GEOL 208 Lecture 2

CON U

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Plate Tectonics: Continental Drift

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Sci. 4-1 Inside the Earth Pages 88-94

Sci. 4-1 Inside the Earth Pages 88-94. A. The Earth is divided into 3 layers. 1) Crust- outermost layer, thinnest layer a) 2 types of crust- continental crust and oceanic crust b) Oceanic crust is denser than continental crust. 2) Mantle- between the core and crust, thickest layer

376 views • 15 slides