'Flood basalts' presentation slideshows

Part 4: Volcanic Hazards & Monitoring

843 views • 58 slides

Natural Hazards, 2e

Natural Hazards, 2e. Volcanoes Chapter 4. Learning Objectives. Know the different types of volcanoes and their associated features Understand the relationship of volcanoes to plate tectonics Know what geographic regions are at risk from volcanoes

1.07k views • 53 slides

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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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.

364 views • 36 slides

Flood Basalts Francis, 2013

Flood Basalts Francis, 2013. Baffin Picrites North Atlantic Igneous Province 60 mys. Age.

489 views • 33 slides

What is a plume? By Julian Winter

What is a plume? By Julian Winter. Alexandra Witze (2003). Introduction. Aims Primarily to confuse you; see conclusion Briefly look at modeling Understand their characteristics & evolution Conclusion; confused?. Birth of Plumes - Morgan 1971.

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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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SAMFRAU * flood basalts Backarc basins Du Toit Cox

SAMFRAU * flood basalts Backarc basins Du Toit Cox. DUPAL is related to continental breakup, delamination and ridges. DUPAL. DUPAL hotspots are shallow & ridge related. LIPS & hotspots associated with continental breakup. DUPAL. D U P A L. D U P A L.

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Tillites: rocks from glacial till (poorly sorted) Dropstones (coarse particles emplaced into fine-grained mud by sea ice

Tillites: rocks from glacial till (poorly sorted) Dropstones (coarse particles emplaced into fine-grained mud by sea ice) Glacial striations: erosional features. Huronian glaciation. Named for Huronian Supergroup in Canada, paleolatitude of 3 o

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Hadean (4.5 to 3.96 bya)

Hadean (4.5 to 3.96 bya). Earth accreted from bolides. Material differentiated into core, mantle, crust and atmosphere. Hostile conditions. Early crust formation (detrital zircon grains dating to 4.2 bya found in sedimentary rocks), but no rocks still exist in the geologic record.

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Volcanism

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The Lithosphere of Earth

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Acknowledgments

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